28888349440

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{16931}}^1$

素因数の和:17026

約数の個数: 144

約数和(自身を含む): 73094224896

約数和(自身を除く): 44205875456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 128, 155, 160, 172, 215, 248, 256, 310, 320, 344, 430, 496, 620, 640, 688, 860, 992, 1240, 1280, 1333, 1376, 1720, 1984, 2480, 2666, 2752, 3440, 3968, 4960, 5332, 5504, 6665, 6880, 7936, 9920, 10664, 11008, 13330, 13760, 16931, 19840, 21328, 26660, 27520, 33862, 39680, 42656, 53320, 55040, 67724, 84655, 85312, 106640, 135448, 169310, 170624, 213280, 270896, 338620, 341248, 426560, 524861, 541792, 677240, 728033, 853120, 1049722, 1083584, 1354480, 1456066, 1706240, 2099444, 2167168, 2624305, 2708960, 2912132, 3640165, 4198888, 4334336, 5248610, 5417920, 5824264, 7280330, 8397776, 10497220, 10835840, 11648528, 14560660, 16795552, 20994440, 21671680, 22569023, 23297056, 29121320, 33591104, 41988880, 45138046, 46594112, 58242640, 67182208, 83977760, 90276092, 93188224, 112845115, 116485280, 134364416, 167955520, 180552184, 186376448, 225690230, 232970560, 335911040, 361104368, 451380460, 465941120, 671822080, 722208736, 902760920, 931882240, 1444417472, 1805521840, 2888834944, 3611043680, 5777669888, 7222087360, 14444174720, 28888349440]

約数ペア:

[(1, 28888349440), (2, 14444174720), (4, 7222087360), (5, 5777669888), (8, 3611043680), (10, 2888834944), (16, 1805521840), (20, 1444417472), (31, 931882240), (32, 902760920), (40, 722208736), (43, 671822080), (62, 465941120), (64, 451380460), (80, 361104368), (86, 335911040), (124, 232970560), (128, 225690230), (155, 186376448), (160, 180552184), (172, 167955520), (215, 134364416), (248, 116485280), (256, 112845115), (310, 93188224), (320, 90276092), (344, 83977760), (430, 67182208), (496, 58242640), (620, 46594112), (640, 45138046), (688, 41988880), (860, 33591104), (992, 29121320), (1240, 23297056), (1280, 22569023), (1333, 21671680), (1376, 20994440), (1720, 16795552), (1984, 14560660), (2480, 11648528), (2666, 10835840), (2752, 10497220), (3440, 8397776), (3968, 7280330), (4960, 5824264), (5332, 5417920), (5504, 5248610), (6665, 4334336), (6880, 4198888), (7936, 3640165), (9920, 2912132), (10664, 2708960), (11008, 2624305), (13330, 2167168), (13760, 2099444), (16931, 1706240), (19840, 1456066), (21328, 1354480), (26660, 1083584), (27520, 1049722), (33862, 853120), (39680, 728033), (42656, 677240), (53320, 541792), (55040, 524861), (67724, 426560), (84655, 341248), (85312, 338620), (106640, 270896), (135448, 213280), (169310, 170624)]