25015760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 75423744

約数和(自身を除く): 50407984

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 131, 140, 154, 155, 176, 217, 220, 248, 262, 280, 308, 310, 341, 385, 434, 440, 496, 524, 560, 616, 620, 655, 682, 770, 868, 880, 917, 1048, 1085, 1232, 1240, 1310, 1364, 1441, 1540, 1705, 1736, 1834, 2096, 2170, 2387, 2480, 2620, 2728, 2882, 3080, 3410, 3472, 3668, 4061, 4340, 4585, 4774, 5240, 5456, 5764, 6160, 6820, 7205, 7336, 8122, 8680, 9170, 9548, 10087, 10480, 11528, 11935, 13640, 14410, 14672, 16244, 17360, 18340, 19096, 20174, 20305, 23056, 23870, 27280, 28427, 28820, 32488, 36680, 38192, 40348, 40610, 44671, 47740, 50435, 56854, 57640, 64976, 73360, 80696, 81220, 89342, 95480, 100870, 113708, 115280, 142135, 161392, 162440, 178684, 190960, 201740, 223355, 227416, 284270, 312697, 324880, 357368, 403480, 446710, 454832, 568540, 625394, 714736, 806960, 893420, 1137080, 1250788, 1563485, 1786840, 2274160, 2501576, 3126970, 3573680, 5003152, 6253940, 12507880, 25015760]

約数ペア:

[(1, 25015760), (2, 12507880), (4, 6253940), (5, 5003152), (7, 3573680), (8, 3126970), (10, 2501576), (11, 2274160), (14, 1786840), (16, 1563485), (20, 1250788), (22, 1137080), (28, 893420), (31, 806960), (35, 714736), (40, 625394), (44, 568540), (55, 454832), (56, 446710), (62, 403480), (70, 357368), (77, 324880), (80, 312697), (88, 284270), (110, 227416), (112, 223355), (124, 201740), (131, 190960), (140, 178684), (154, 162440), (155, 161392), (176, 142135), (217, 115280), (220, 113708), (248, 100870), (262, 95480), (280, 89342), (308, 81220), (310, 80696), (341, 73360), (385, 64976), (434, 57640), (440, 56854), (496, 50435), (524, 47740), (560, 44671), (616, 40610), (620, 40348), (655, 38192), (682, 36680), (770, 32488), (868, 28820), (880, 28427), (917, 27280), (1048, 23870), (1085, 23056), (1232, 20305), (1240, 20174), (1310, 19096), (1364, 18340), (1441, 17360), (1540, 16244), (1705, 14672), (1736, 14410), (1834, 13640), (2096, 11935), (2170, 11528), (2387, 10480), (2480, 10087), (2620, 9548), (2728, 9170), (2882, 8680), (3080, 8122), (3410, 7336), (3472, 7205), (3668, 6820), (4061, 6160), (4340, 5764), (4585, 5456), (4774, 5240)]