672040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 1545480

約数和(自身を除く): 873440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 317, 424, 530, 634, 1060, 1268, 1585, 2120, 2536, 3170, 6340, 12680, 16801, 33602, 67204, 84005, 134408, 168010, 336020, 672040]

約数ペア:

[(1, 672040), (2, 336020), (4, 168010), (5, 134408), (8, 84005), (10, 67204), (20, 33602), (40, 16801), (53, 12680), (106, 6340), (212, 3170), (265, 2536), (317, 2120), (424, 1585), (530, 1268), (634, 1060)]