12660520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2801}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 28748520

約数和(自身を除く): 16088000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 2801, 4520, 5602, 11204, 14005, 22408, 28010, 56020, 112040, 316513, 633026, 1266052, 1582565, 2532104, 3165130, 6330260, 12660520]

約数ペア:

[(1, 12660520), (2, 6330260), (4, 3165130), (5, 2532104), (8, 1582565), (10, 1266052), (20, 633026), (40, 316513), (113, 112040), (226, 56020), (452, 28010), (565, 22408), (904, 14005), (1130, 11204), (2260, 5602), (2801, 4520)]