40500625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 56906784

約数和(自身を除く): 16406159

約数列:

[1, 5, 11, 25, 43, 55, 125, 137, 215, 275, 473, 625, 685, 1075, 1375, 1507, 2365, 3425, 5375, 5891, 6875, 7535, 11825, 17125, 26875, 29455, 37675, 59125, 64801, 85625, 147275, 188375, 295625, 324005, 736375, 941875, 1620025, 3681875, 8100125, 40500625]

約数ペア:

[(1, 40500625), (5, 8100125), (11, 3681875), (25, 1620025), (43, 941875), (55, 736375), (125, 324005), (137, 295625), (215, 188375), (275, 147275), (473, 85625), (625, 64801), (685, 59125), (1075, 37675), (1375, 29455), (1507, 26875), (2365, 17125), (3425, 11825), (5375, 7535), (5891, 6875)]