140681560

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{18223}}^1$

素因数の和:18427

約数の個数: 32

約数和(自身を含む): 318191040

約数和(自身を除く): 177509480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 18223, 36446, 72892, 91115, 145784, 182230, 364460, 728920, 3517039, 7034078, 14068156, 17585195, 28136312, 35170390, 70340780, 140681560]

約数ペア:

[(1, 140681560), (2, 70340780), (4, 35170390), (5, 28136312), (8, 17585195), (10, 14068156), (20, 7034078), (40, 3517039), (193, 728920), (386, 364460), (772, 182230), (965, 145784), (1544, 91115), (1930, 72892), (3860, 36446), (7720, 18223)]