27906980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10987}}^1$

素因数の和:11123

約数の個数: 24

約数和(自身を含む): 59071488

約数和(自身を除く): 31164508

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 10987, 21974, 43948, 54935, 109870, 219740, 1395349, 2790698, 5581396, 6976745, 13953490, 27906980]

約数ペア:

[(1, 27906980), (2, 13953490), (4, 6976745), (5, 5581396), (10, 2790698), (20, 1395349), (127, 219740), (254, 109870), (508, 54935), (635, 43948), (1270, 21974), (2540, 10987)]