40027975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 57496320

約数和(自身を除く): 17468345

約数列:

[1, 5, 13, 25, 29, 31, 65, 137, 145, 155, 325, 377, 403, 685, 725, 775, 899, 1781, 1885, 2015, 3425, 3973, 4247, 4495, 8905, 9425, 10075, 11687, 19865, 21235, 22475, 44525, 51649, 55211, 58435, 99325, 106175, 123163, 258245, 276055, 292175, 615815, 1291225, 1380275, 1601119, 3079075, 8005595, 40027975]

約数ペア:

[(1, 40027975), (5, 8005595), (13, 3079075), (25, 1601119), (29, 1380275), (31, 1291225), (65, 615815), (137, 292175), (145, 276055), (155, 258245), (325, 123163), (377, 106175), (403, 99325), (685, 58435), (725, 55211), (775, 51649), (899, 44525), (1781, 22475), (1885, 21235), (2015, 19865), (3425, 11687), (3973, 10075), (4247, 9425), (4495, 8905)]