25117360

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5147}}^1$

素因数の和:5221

約数の個数: 40

約数和(自身を含む): 59366736

約数和(自身を除く): 34249376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5147, 10294, 20588, 25735, 41176, 51470, 82352, 102940, 205880, 313967, 411760, 627934, 1255868, 1569835, 2511736, 3139670, 5023472, 6279340, 12558680, 25117360]

約数ペア:

[(1, 25117360), (2, 12558680), (4, 6279340), (5, 5023472), (8, 3139670), (10, 2511736), (16, 1569835), (20, 1255868), (40, 627934), (61, 411760), (80, 313967), (122, 205880), (244, 102940), (305, 82352), (488, 51470), (610, 41176), (976, 25735), (1220, 20588), (2440, 10294), (4880, 5147)]