20080610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7937}}^1$

素因数の和:7978

約数の個数: 32

約数和(自身を含む): 41150592

約数和(自身を除く): 21069982

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7937, 15874, 39685, 79370, 87307, 174614, 182551, 365102, 436535, 873070, 912755, 1825510, 2008061, 4016122, 10040305, 20080610]

約数ペア:

[(1, 20080610), (2, 10040305), (5, 4016122), (10, 2008061), (11, 1825510), (22, 912755), (23, 873070), (46, 436535), (55, 365102), (110, 182551), (115, 174614), (230, 87307), (253, 79370), (506, 39685), (1265, 15874), (2530, 7937)]