42520816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{204427}}^1$

素因数の和:204448

約数の個数: 20

約数和(自身を含む): 88721752

約数和(自身を除く): 46200936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 204427, 408854, 817708, 1635416, 2657551, 3270832, 5315102, 10630204, 21260408, 42520816]

約数ペア:

[(1, 42520816), (2, 21260408), (4, 10630204), (8, 5315102), (13, 3270832), (16, 2657551), (26, 1635416), (52, 817708), (104, 408854), (208, 204427)]