8367640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3947}}^1$

素因数の和:4011

約数の個数: 32

約数和(自身を含む): 19187280

約数和(自身を除く): 10819640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3947, 7894, 15788, 19735, 31576, 39470, 78940, 157880, 209191, 418382, 836764, 1045955, 1673528, 2091910, 4183820, 8367640]

約数ペア:

[(1, 8367640), (2, 4183820), (4, 2091910), (5, 1673528), (8, 1045955), (10, 836764), (20, 418382), (40, 209191), (53, 157880), (106, 78940), (212, 39470), (265, 31576), (424, 19735), (530, 15788), (1060, 7894), (2120, 3947)]