28105640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24229}}^1$

素因数の和:24269

約数の個数: 32

約数和(自身を含む): 65421000

約数和(自身を除く): 37315360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 24229, 48458, 96916, 121145, 193832, 242290, 484580, 702641, 969160, 1405282, 2810564, 3513205, 5621128, 7026410, 14052820, 28105640]

約数ペア:

[(1, 28105640), (2, 14052820), (4, 7026410), (5, 5621128), (8, 3513205), (10, 2810564), (20, 1405282), (29, 969160), (40, 702641), (58, 484580), (116, 242290), (145, 193832), (232, 121145), (290, 96916), (580, 48458), (1160, 24229)]