27935980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17681}}^1$

素因数の和:17769

約数の個数: 24

約数和(自身を含む): 59411520

約数和(自身を除く): 31475540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 17681, 35362, 70724, 88405, 176810, 353620, 1396799, 2793598, 5587196, 6983995, 13967990, 27935980]

約数ペア:

[(1, 27935980), (2, 13967990), (4, 6983995), (5, 5587196), (10, 2793598), (20, 1396799), (79, 353620), (158, 176810), (316, 88405), (395, 70724), (790, 35362), (1580, 17681)]