86266280

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5273}}^1$

素因数の和:5693

約数の個数: 32

約数和(自身を含む): 194610600

約数和(自身を除く): 108344320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 5273, 8180, 10546, 16360, 21092, 26365, 42184, 52730, 105460, 210920, 2156657, 4313314, 8626628, 10783285, 17253256, 21566570, 43133140, 86266280]

約数ペア:

[(1, 86266280), (2, 43133140), (4, 21566570), (5, 17253256), (8, 10783285), (10, 8626628), (20, 4313314), (40, 2156657), (409, 210920), (818, 105460), (1636, 52730), (2045, 42184), (3272, 26365), (4090, 21092), (5273, 16360), (8180, 10546)]