64812580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462947}}^1$

素因数の和:462963

約数の個数: 24

約数和(自身を含む): 155550528

約数和(自身を除く): 90737948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462947, 925894, 1851788, 2314735, 3240629, 4629470, 6481258, 9258940, 12962516, 16203145, 32406290, 64812580]

約数ペア:

[(1, 64812580), (2, 32406290), (4, 16203145), (5, 12962516), (7, 9258940), (10, 6481258), (14, 4629470), (20, 3240629), (28, 2314735), (35, 1851788), (70, 925894), (140, 462947)]