71955820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87751}}^1$

素因数の和:87801

約数の個数: 24

約数和(自身を含む): 154794528

約数和(自身を除く): 82838708

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 87751, 175502, 351004, 438755, 877510, 1755020, 3597791, 7195582, 14391164, 17988955, 35977910, 71955820]

約数ペア:

[(1, 71955820), (2, 35977910), (4, 17988955), (5, 14391164), (10, 7195582), (20, 3597791), (41, 1755020), (82, 877510), (164, 438755), (205, 351004), (410, 175502), (820, 87751)]