64884580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190837}}^1$

素因数の和:190863

約数の個数: 24

約数和(自身を含む): 144273528

約数和(自身を除く): 79388948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 190837, 381674, 763348, 954185, 1908370, 3244229, 3816740, 6488458, 12976916, 16221145, 32442290, 64884580]

約数ペア:

[(1, 64884580), (2, 32442290), (4, 16221145), (5, 12976916), (10, 6488458), (17, 3816740), (20, 3244229), (34, 1908370), (68, 954185), (85, 763348), (170, 381674), (340, 190837)]