15956420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10099}}^1$

素因数の和:10187

約数の個数: 24

約数和(自身を含む): 33936000

約数和(自身を除く): 17979580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 10099, 20198, 40396, 50495, 100990, 201980, 797821, 1595642, 3191284, 3989105, 7978210, 15956420]

約数ペア:

[(1, 15956420), (2, 7978210), (4, 3989105), (5, 3191284), (10, 1595642), (20, 797821), (79, 201980), (158, 100990), (316, 50495), (395, 40396), (790, 20198), (1580, 10099)]