315412040

素因数分解:

$2^3\times 5^1\times {\mathrm{7885301}}^1$

素因数の和:7885312

約数の個数: 16

約数和(自身を含む): 709677180

約数和(自身を除く): 394265140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7885301, 15770602, 31541204, 39426505, 63082408, 78853010, 157706020, 315412040]

約数ペア:

[(1, 315412040), (2, 157706020), (4, 78853010), (5, 63082408), (8, 39426505), (10, 31541204), (20, 15770602), (40, 7885301)]