64103620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1741}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 154522368

約数和(自身を除く): 90418748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1741, 1841, 2630, 3482, 3682, 5260, 6964, 7364, 8705, 9205, 12187, 17410, 18410, 24374, 34820, 36820, 48748, 60935, 121870, 243740, 457883, 915766, 1831532, 2289415, 3205181, 4578830, 6410362, 9157660, 12820724, 16025905, 32051810, 64103620]

約数ペア:

[(1, 64103620), (2, 32051810), (4, 16025905), (5, 12820724), (7, 9157660), (10, 6410362), (14, 4578830), (20, 3205181), (28, 2289415), (35, 1831532), (70, 915766), (140, 457883), (263, 243740), (526, 121870), (1052, 60935), (1315, 48748), (1741, 36820), (1841, 34820), (2630, 24374), (3482, 18410), (3682, 17410), (5260, 12187), (6964, 9205), (7364, 8705)]