64909060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190909}}^1$

素因数の和:190935

約数の個数: 24

約数和(自身を含む): 144327960

約数和(自身を除く): 79418900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 190909, 381818, 763636, 954545, 1909090, 3245453, 3818180, 6490906, 12981812, 16227265, 32454530, 64909060]

約数ペア:

[(1, 64909060), (2, 32454530), (4, 16227265), (5, 12981812), (10, 6490906), (17, 3818180), (20, 3245453), (34, 1909090), (68, 954545), (85, 763636), (170, 381818), (340, 190909)]