28905260

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6481}}^1$

素因数の和:6713

約数の個数: 24

約数和(自身を含む): 60982656

約数和(自身を除く): 32077396

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 6481, 12962, 25924, 32405, 64810, 129620, 1445263, 2890526, 5781052, 7226315, 14452630, 28905260]

約数ペア:

[(1, 28905260), (2, 14452630), (4, 7226315), (5, 5781052), (10, 2890526), (20, 1445263), (223, 129620), (446, 64810), (892, 32405), (1115, 25924), (2230, 12962), (4460, 6481)]