7889747240

素因数分解:

$2^3\times 5^1\times {\mathrm{11273}}^1\times {\mathrm{17497}}^1$

素因数の和:28781

約数の個数: 32

約数和(自身を含む): 17754520680

約数和(自身を除く): 9864773440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11273, 17497, 22546, 34994, 45092, 56365, 69988, 87485, 90184, 112730, 139976, 174970, 225460, 349940, 450920, 699880, 197243681, 394487362, 788974724, 986218405, 1577949448, 1972436810, 3944873620, 7889747240]

約数ペア:

[(1, 7889747240), (2, 3944873620), (4, 1972436810), (5, 1577949448), (8, 986218405), (10, 788974724), (20, 394487362), (40, 197243681), (11273, 699880), (17497, 450920), (22546, 349940), (34994, 225460), (45092, 174970), (56365, 139976), (69988, 112730), (87485, 90184)]