4220180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2671}}^1$

素因数の和:2759

約数の個数: 24

約数和(自身を含む): 8977920

約数和(自身を除く): 4757740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2671, 5342, 10684, 13355, 26710, 53420, 211009, 422018, 844036, 1055045, 2110090, 4220180]

約数ペア:

[(1, 4220180), (2, 2110090), (4, 1055045), (5, 844036), (10, 422018), (20, 211009), (79, 53420), (158, 26710), (316, 13355), (395, 10684), (790, 5342), (1580, 2671)]