30395080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12457}}^1$

素因数の和:12529

約数の個数: 32

約数和(自身を含む): 69515640

約数和(自身を除く): 39120560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12457, 24914, 49828, 62285, 99656, 124570, 249140, 498280, 759877, 1519754, 3039508, 3799385, 6079016, 7598770, 15197540, 30395080]

約数ペア:

[(1, 30395080), (2, 15197540), (4, 7598770), (5, 6079016), (8, 3799385), (10, 3039508), (20, 1519754), (40, 759877), (61, 498280), (122, 249140), (244, 124570), (305, 99656), (488, 62285), (610, 49828), (1220, 24914), (2440, 12457)]