64123820

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{6299}}^1$

素因数の和:6817

約数の個数: 24

約数和(自身を含む): 134946000

約数和(自身を除く): 70822180

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 6299, 10180, 12598, 25196, 31495, 62990, 125980, 3206191, 6412382, 12824764, 16030955, 32061910, 64123820]

約数ペア:

[(1, 64123820), (2, 32061910), (4, 16030955), (5, 12824764), (10, 6412382), (20, 3206191), (509, 125980), (1018, 62990), (2036, 31495), (2545, 25196), (5090, 12598), (6299, 10180)]