57444140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220939}}^1$

素因数の和:220961

約数の個数: 24

約数和(自身を含む): 129912720

約数和(自身を除く): 72468580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 220939, 441878, 883756, 1104695, 2209390, 2872207, 4418780, 5744414, 11488828, 14361035, 28722070, 57444140]

約数ペア:

[(1, 57444140), (2, 28722070), (4, 14361035), (5, 11488828), (10, 5744414), (13, 4418780), (20, 2872207), (26, 2209390), (52, 1104695), (65, 883756), (130, 441878), (260, 220939)]