105800680

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{5387}}^1$

素因数の和:5889

約数の個数: 32

約数和(自身を含む): 238580640

約数和(自身を除く): 132779960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 5387, 9820, 10774, 19640, 21548, 26935, 43096, 53870, 107740, 215480, 2645017, 5290034, 10580068, 13225085, 21160136, 26450170, 52900340, 105800680]

約数ペア:

[(1, 105800680), (2, 52900340), (4, 26450170), (5, 21160136), (8, 13225085), (10, 10580068), (20, 5290034), (40, 2645017), (491, 215480), (982, 107740), (1964, 53870), (2455, 43096), (3928, 26935), (4910, 21548), (5387, 19640), (9820, 10774)]