68478460

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{3221}}^1$

素因数の和:4293

約数の個数: 24

約数和(自身を含む): 143984736

約数和(自身を除く): 75506276

約数列:

[1, 2, 4, 5, 10, 20, 1063, 2126, 3221, 4252, 5315, 6442, 10630, 12884, 16105, 21260, 32210, 64420, 3423923, 6847846, 13695692, 17119615, 34239230, 68478460]

約数ペア:

[(1, 68478460), (2, 34239230), (4, 17119615), (5, 13695692), (10, 6847846), (20, 3423923), (1063, 64420), (2126, 32210), (3221, 21260), (4252, 16105), (5315, 12884), (6442, 10630)]