40665250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 80870400

約数和(自身を除く): 40205150

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 71, 79, 125, 142, 145, 158, 250, 290, 355, 395, 710, 725, 790, 1450, 1775, 1975, 2059, 2291, 3550, 3625, 3950, 4118, 4582, 5609, 7250, 8875, 9875, 10295, 11218, 11455, 17750, 19750, 20590, 22910, 28045, 51475, 56090, 57275, 102950, 114550, 140225, 162661, 257375, 280450, 286375, 325322, 514750, 572750, 701125, 813305, 1402250, 1626610, 4066525, 8133050, 20332625, 40665250]

約数ペア:

[(1, 40665250), (2, 20332625), (5, 8133050), (10, 4066525), (25, 1626610), (29, 1402250), (50, 813305), (58, 701125), (71, 572750), (79, 514750), (125, 325322), (142, 286375), (145, 280450), (158, 257375), (250, 162661), (290, 140225), (355, 114550), (395, 102950), (710, 57275), (725, 56090), (790, 51475), (1450, 28045), (1775, 22910), (1975, 20590), (2059, 19750), (2291, 17750), (3550, 11455), (3625, 11218), (3950, 10295), (4118, 9875), (4582, 8875), (5609, 7250)]