102180625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 138330720

約数和(自身を除く): 36150095

約数列:

[1, 5, 17, 25, 59, 85, 125, 163, 295, 425, 625, 815, 1003, 1475, 2125, 2771, 4075, 5015, 7375, 9617, 10625, 13855, 20375, 25075, 36875, 48085, 69275, 101875, 125375, 163489, 240425, 346375, 626875, 817445, 1202125, 1731875, 4087225, 6010625, 20436125, 102180625]

約数ペア:

[(1, 102180625), (5, 20436125), (17, 6010625), (25, 4087225), (59, 1731875), (85, 1202125), (125, 817445), (163, 626875), (295, 346375), (425, 240425), (625, 163489), (815, 125375), (1003, 101875), (1475, 69275), (2125, 48085), (2771, 36875), (4075, 25075), (5015, 20375), (7375, 13855), (9617, 10625)]