28553680

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1481}}^1$

素因数の和:1735

約数の個数: 40

約数和(自身を含む): 66707784

約数和(自身を除く): 38154104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1481, 1928, 2410, 2962, 3856, 4820, 5924, 7405, 9640, 11848, 14810, 19280, 23696, 29620, 59240, 118480, 356921, 713842, 1427684, 1784605, 2855368, 3569210, 5710736, 7138420, 14276840, 28553680]

約数ペア:

[(1, 28553680), (2, 14276840), (4, 7138420), (5, 5710736), (8, 3569210), (10, 2855368), (16, 1784605), (20, 1427684), (40, 713842), (80, 356921), (241, 118480), (482, 59240), (964, 29620), (1205, 23696), (1481, 19280), (1928, 14810), (2410, 11848), (2962, 9640), (3856, 7405), (4820, 5924)]