72551860

素因数分解:

$2^2\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{2351}}^1$

素因数の和:3903

約数の個数: 24

約数和(自身を含む): 152522496

約数和(自身を除く): 79970636

約数列:

[1, 2, 4, 5, 10, 20, 1543, 2351, 3086, 4702, 6172, 7715, 9404, 11755, 15430, 23510, 30860, 47020, 3627593, 7255186, 14510372, 18137965, 36275930, 72551860]

約数ペア:

[(1, 72551860), (2, 36275930), (4, 18137965), (5, 14510372), (10, 7255186), (20, 3627593), (1543, 47020), (2351, 30860), (3086, 23510), (4702, 15430), (6172, 11755), (7715, 9404)]