12744140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{5639}}^1$

素因数の和:5761

約数の個数: 24

約数和(自身を含む): 27004320

約数和(自身を除く): 14260180

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 5639, 11278, 22556, 28195, 56390, 112780, 637207, 1274414, 2548828, 3186035, 6372070, 12744140]

約数ペア:

[(1, 12744140), (2, 6372070), (4, 3186035), (5, 2548828), (10, 1274414), (20, 637207), (113, 112780), (226, 56390), (452, 28195), (565, 22556), (1130, 11278), (2260, 5639)]