28996760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55763}}^1$

素因数の和:55787

約数の個数: 32

約数和(自身を含む): 70262640

約数和(自身を除く): 41265880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55763, 111526, 223052, 278815, 446104, 557630, 724919, 1115260, 1449838, 2230520, 2899676, 3624595, 5799352, 7249190, 14498380, 28996760]

約数ペア:

[(1, 28996760), (2, 14498380), (4, 7249190), (5, 5799352), (8, 3624595), (10, 2899676), (13, 2230520), (20, 1449838), (26, 1115260), (40, 724919), (52, 557630), (65, 446104), (104, 278815), (130, 223052), (260, 111526), (520, 55763)]