65391980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{30557}}^1$

素因数の和:30673

約数の個数: 24

約数和(自身を含む): 138611088

約数和(自身を除く): 73219108

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 30557, 61114, 122228, 152785, 305570, 611140, 3269599, 6539198, 13078396, 16347995, 32695990, 65391980]

約数ペア:

[(1, 65391980), (2, 32695990), (4, 16347995), (5, 13078396), (10, 6539198), (20, 3269599), (107, 611140), (214, 305570), (428, 152785), (535, 122228), (1070, 61114), (2140, 30557)]