8198620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5189}}^1$

素因数の和:5277

約数の個数: 24

約数和(自身を含む): 17438400

約数和(自身を除く): 9239780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5189, 10378, 20756, 25945, 51890, 103780, 409931, 819862, 1639724, 2049655, 4099310, 8198620]

約数ペア:

[(1, 8198620), (2, 4099310), (4, 2049655), (5, 1639724), (10, 819862), (20, 409931), (79, 103780), (158, 51890), (316, 25945), (395, 20756), (790, 10378), (1580, 5189)]