6463780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4091}}^1$

素因数の和:4179

約数の個数: 24

約数和(自身を含む): 13749120

約数和(自身を除く): 7285340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 4091, 8182, 16364, 20455, 40910, 81820, 323189, 646378, 1292756, 1615945, 3231890, 6463780]

約数ペア:

[(1, 6463780), (2, 3231890), (4, 1615945), (5, 1292756), (10, 646378), (20, 323189), (79, 81820), (158, 40910), (316, 20455), (395, 16364), (790, 8182), (1580, 4091)]