66006918140

素因数分解:

$2^2\times 5^1\times {\mathrm{81929}}^1\times {\mathrm{40283}}^1$

素因数の和:122221

約数の個数: 24

約数和(自身を含む): 138619661040

約数和(自身を除く): 72612742900

約数列:

[1, 2, 4, 5, 10, 20, 40283, 80566, 81929, 161132, 163858, 201415, 327716, 402830, 409645, 805660, 819290, 1638580, 3300345907, 6600691814, 13201383628, 16501729535, 33003459070, 66006918140]

約数ペア:

[(1, 66006918140), (2, 33003459070), (4, 16501729535), (5, 13201383628), (10, 6600691814), (20, 3300345907), (40283, 1638580), (80566, 819290), (81929, 805660), (161132, 409645), (163858, 402830), (201415, 327716)]