4003872440

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{135449}}^1$

素因数の和:136199

約数の個数: 32

約数和(自身を含む): 9020970000

約数和(自身を除く): 5017097560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 7390, 14780, 29560, 135449, 270898, 541796, 677245, 1083592, 1354490, 2708980, 5417960, 100096811, 200193622, 400387244, 500484055, 800774488, 1000968110, 2001936220, 4003872440]

約数ペア:

[(1, 4003872440), (2, 2001936220), (4, 1000968110), (5, 800774488), (8, 500484055), (10, 400387244), (20, 200193622), (40, 100096811), (739, 5417960), (1478, 2708980), (2956, 1354490), (3695, 1083592), (5912, 677245), (7390, 541796), (14780, 270898), (29560, 135449)]