99997120

素因数分解:

$2^6\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1481}}^1$

素因数の和:1709

約数の個数: 56

約数和(自身を含む): 239408208

約数和(自身を除く): 139411088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 211, 320, 422, 844, 1055, 1481, 1688, 2110, 2962, 3376, 4220, 5924, 6752, 7405, 8440, 11848, 13504, 14810, 16880, 23696, 29620, 33760, 47392, 59240, 67520, 94784, 118480, 236960, 312491, 473920, 624982, 1249964, 1562455, 2499928, 3124910, 4999856, 6249820, 9999712, 12499640, 19999424, 24999280, 49998560, 99997120]

約数ペア:

[(1, 99997120), (2, 49998560), (4, 24999280), (5, 19999424), (8, 12499640), (10, 9999712), (16, 6249820), (20, 4999856), (32, 3124910), (40, 2499928), (64, 1562455), (80, 1249964), (160, 624982), (211, 473920), (320, 312491), (422, 236960), (844, 118480), (1055, 94784), (1481, 67520), (1688, 59240), (2110, 47392), (2962, 33760), (3376, 29620), (4220, 23696), (5924, 16880), (6752, 14810), (7405, 13504), (8440, 11848)]