15808840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7457}}^1$

素因数の和:7521

約数の個数: 32

約数和(自身を含む): 36245880

約数和(自身を除く): 20437040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7457, 14914, 29828, 37285, 59656, 74570, 149140, 298280, 395221, 790442, 1580884, 1976105, 3161768, 3952210, 7904420, 15808840]

約数ペア:

[(1, 15808840), (2, 7904420), (4, 3952210), (5, 3161768), (8, 1976105), (10, 1580884), (20, 790442), (40, 395221), (53, 298280), (106, 149140), (212, 74570), (265, 59656), (424, 37285), (530, 29828), (1060, 14914), (2120, 7457)]