27939140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17683}}^1$

素因数の和:17771

約数の個数: 24

約数和(自身を含む): 59418240

約数和(自身を除く): 31479100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 17683, 35366, 70732, 88415, 176830, 353660, 1396957, 2793914, 5587828, 6984785, 13969570, 27939140]

約数ペア:

[(1, 27939140), (2, 13969570), (4, 6984785), (5, 5587828), (10, 2793914), (20, 1396957), (79, 353660), (158, 176830), (316, 88415), (395, 70732), (790, 35366), (1580, 17683)]