85242560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:722

約数の個数: 112

約数和(自身を含む): 225990912

約数和(自身を除く): 140748352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 661, 806, 832, 992, 1040, 1240, 1322, 1612, 1984, 2015, 2080, 2480, 2644, 3224, 3305, 4030, 4160, 4960, 5288, 6448, 6610, 8060, 8593, 9920, 10576, 12896, 13220, 16120, 17186, 20491, 21152, 25792, 26440, 32240, 34372, 40982, 42304, 42965, 52880, 64480, 68744, 81964, 85930, 102455, 105760, 128960, 137488, 163928, 171860, 204910, 211520, 266383, 274976, 327856, 343720, 409820, 532766, 549952, 655712, 687440, 819640, 1065532, 1311424, 1331915, 1374880, 1639280, 2131064, 2663830, 2749760, 3278560, 4262128, 5327660, 6557120, 8524256, 10655320, 17048512, 21310640, 42621280, 85242560]

約数ペア:

[(1, 85242560), (2, 42621280), (4, 21310640), (5, 17048512), (8, 10655320), (10, 8524256), (13, 6557120), (16, 5327660), (20, 4262128), (26, 3278560), (31, 2749760), (32, 2663830), (40, 2131064), (52, 1639280), (62, 1374880), (64, 1331915), (65, 1311424), (80, 1065532), (104, 819640), (124, 687440), (130, 655712), (155, 549952), (160, 532766), (208, 409820), (248, 343720), (260, 327856), (310, 274976), (320, 266383), (403, 211520), (416, 204910), (496, 171860), (520, 163928), (620, 137488), (661, 128960), (806, 105760), (832, 102455), (992, 85930), (1040, 81964), (1240, 68744), (1322, 64480), (1612, 52880), (1984, 42965), (2015, 42304), (2080, 40982), (2480, 34372), (2644, 32240), (3224, 26440), (3305, 25792), (4030, 21152), (4160, 20491), (4960, 17186), (5288, 16120), (6448, 13220), (6610, 12896), (8060, 10576), (8593, 9920)]