30544720

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1999}}^1$

素因数の和:2203

約数の個数: 40

約数和(自身を含む): 71424000

約数和(自身を除く): 40879280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 1999, 3056, 3820, 3998, 7640, 7996, 9995, 15280, 15992, 19990, 31984, 39980, 79960, 159920, 381809, 763618, 1527236, 1909045, 3054472, 3818090, 6108944, 7636180, 15272360, 30544720]

約数ペア:

[(1, 30544720), (2, 15272360), (4, 7636180), (5, 6108944), (8, 3818090), (10, 3054472), (16, 1909045), (20, 1527236), (40, 763618), (80, 381809), (191, 159920), (382, 79960), (764, 39980), (955, 31984), (1528, 19990), (1910, 15992), (1999, 15280), (3056, 9995), (3820, 7996), (3998, 7640)]