81013171180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{57051529}}^1$

素因数の和:57051609

約数の個数: 24

約数和(自身を含む): 172523826720

約数和(自身を除く): 91510655540

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 57051529, 114103058, 228206116, 285257645, 570515290, 1141030580, 4050658559, 8101317118, 16202634236, 20253292795, 40506585590, 81013171180]

約数ペア:

[(1, 81013171180), (2, 40506585590), (4, 20253292795), (5, 16202634236), (10, 8101317118), (20, 4050658559), (71, 1141030580), (142, 570515290), (284, 285257645), (355, 228206116), (710, 114103058), (1420, 57051529)]