15480260

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3929}}^1$

素因数の和:4135

約数の個数: 24

約数和(自身を含む): 32681880

約数和(自身を除く): 17201620

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3929, 3940, 7858, 15716, 19645, 39290, 78580, 774013, 1548026, 3096052, 3870065, 7740130, 15480260]

約数ペア:

[(1, 15480260), (2, 7740130), (4, 3870065), (5, 3096052), (10, 1548026), (20, 774013), (197, 78580), (394, 39290), (788, 19645), (985, 15716), (1970, 7858), (3929, 3940)]