145185220

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{8951}}^1$

素因数の和:9771

約数の個数: 24

約数和(自身を含む): 305299008

約数和(自身を除く): 160113788

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 8110, 8951, 16220, 17902, 35804, 44755, 89510, 179020, 7259261, 14518522, 29037044, 36296305, 72592610, 145185220]

約数ペア:

[(1, 145185220), (2, 72592610), (4, 36296305), (5, 29037044), (10, 14518522), (20, 7259261), (811, 179020), (1622, 89510), (3244, 44755), (4055, 35804), (8110, 17902), (8951, 16220)]