15673640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2819}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 35532000

約数和(自身を除く): 19858360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 2819, 5560, 5638, 11276, 14095, 22552, 28190, 56380, 112760, 391841, 783682, 1567364, 1959205, 3134728, 3918410, 7836820, 15673640]

約数ペア:

[(1, 15673640), (2, 7836820), (4, 3918410), (5, 3134728), (8, 1959205), (10, 1567364), (20, 783682), (40, 391841), (139, 112760), (278, 56380), (556, 28190), (695, 22552), (1112, 14095), (1390, 11276), (2780, 5638), (2819, 5560)]