31005640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26729}}^1$

素因数の和:26769

約数の個数: 32

約数和(自身を含む): 72171000

約数和(自身を除く): 41165360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 26729, 53458, 106916, 133645, 213832, 267290, 534580, 775141, 1069160, 1550282, 3100564, 3875705, 6201128, 7751410, 15502820, 31005640]

約数ペア:

[(1, 31005640), (2, 15502820), (4, 7751410), (5, 6201128), (8, 3875705), (10, 3100564), (20, 1550282), (29, 1069160), (40, 775141), (58, 534580), (116, 267290), (145, 213832), (232, 133645), (290, 106916), (580, 53458), (1160, 26729)]