39453980

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1613}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 82972512

約数和(自身を除く): 43518532

約数列:

[1, 2, 4, 5, 10, 20, 1223, 1613, 2446, 3226, 4892, 6115, 6452, 8065, 12230, 16130, 24460, 32260, 1972699, 3945398, 7890796, 9863495, 19726990, 39453980]

約数ペア:

[(1, 39453980), (2, 19726990), (4, 9863495), (5, 7890796), (10, 3945398), (20, 1972699), (1223, 32260), (1613, 24460), (2446, 16130), (3226, 12230), (4892, 8065), (6115, 6452)]