5648240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5431}}^1$

素因数の和:5457

約数の個数: 40

約数和(自身を含む): 14144928

約数和(自身を除く): 8496688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 5431, 10862, 21724, 27155, 43448, 54310, 70603, 86896, 108620, 141206, 217240, 282412, 353015, 434480, 564824, 706030, 1129648, 1412060, 2824120, 5648240]

約数ペア:

[(1, 5648240), (2, 2824120), (4, 1412060), (5, 1129648), (8, 706030), (10, 564824), (13, 434480), (16, 353015), (20, 282412), (26, 217240), (40, 141206), (52, 108620), (65, 86896), (80, 70603), (104, 54310), (130, 43448), (208, 27155), (260, 21724), (520, 10862), (1040, 5431)]