80617360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32507}}^1$

素因数の和:32551

約数の個数: 40

約数和(自身を含む): 193487616

約数和(自身を除く): 112870256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32507, 65014, 130028, 162535, 260056, 325070, 520112, 650140, 1007717, 1300280, 2015434, 2600560, 4030868, 5038585, 8061736, 10077170, 16123472, 20154340, 40308680, 80617360]

約数ペア:

[(1, 80617360), (2, 40308680), (4, 20154340), (5, 16123472), (8, 10077170), (10, 8061736), (16, 5038585), (20, 4030868), (31, 2600560), (40, 2015434), (62, 1300280), (80, 1007717), (124, 650140), (155, 520112), (248, 325070), (310, 260056), (496, 162535), (620, 130028), (1240, 65014), (2480, 32507)]