64902260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190889}}^1$

素因数の和:190915

約数の個数: 24

約数和(自身を含む): 144312840

約数和(自身を除く): 79410580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 190889, 381778, 763556, 954445, 1908890, 3245113, 3817780, 6490226, 12980452, 16225565, 32451130, 64902260]

約数ペア:

[(1, 64902260), (2, 32451130), (4, 16225565), (5, 12980452), (10, 6490226), (17, 3817780), (20, 3245113), (34, 1908890), (68, 954445), (85, 763556), (170, 381778), (340, 190889)]