123663740

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{7643}}^1$

素因数の和:8461

約数の個数: 24

約数和(自身を含む): 260048880

約数和(自身を除く): 136385140

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 7643, 8090, 15286, 16180, 30572, 38215, 76430, 152860, 6183187, 12366374, 24732748, 30915935, 61831870, 123663740]

約数ペア:

[(1, 123663740), (2, 61831870), (4, 30915935), (5, 24732748), (10, 12366374), (20, 6183187), (809, 152860), (1618, 76430), (3236, 38215), (4045, 30572), (7643, 16180), (8090, 15286)]