111232720

素因数分解:

$2^4\times 5^1\times {\mathrm{1390409}}^1$

素因数の和:1390422

約数の個数: 20

約数和(自身を含む): 258616260

約数和(自身を除く): 147383540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1390409, 2780818, 5561636, 6952045, 11123272, 13904090, 22246544, 27808180, 55616360, 111232720]

約数ペア:

[(1, 111232720), (2, 55616360), (4, 27808180), (5, 22246544), (8, 13904090), (10, 11123272), (16, 6952045), (20, 5561636), (40, 2780818), (80, 1390409)]