39675625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 56232000

約数和(自身を除く): 16556375

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 199, 275, 319, 625, 725, 995, 1375, 1595, 2189, 3625, 4975, 5771, 6875, 7975, 10945, 18125, 24875, 28855, 39875, 54725, 63481, 124375, 144275, 199375, 273625, 317405, 721375, 1368125, 1587025, 3606875, 7935125, 39675625]

約数ペア:

[(1, 39675625), (5, 7935125), (11, 3606875), (25, 1587025), (29, 1368125), (55, 721375), (125, 317405), (145, 273625), (199, 199375), (275, 144275), (319, 124375), (625, 63481), (725, 54725), (995, 39875), (1375, 28855), (1595, 24875), (2189, 18125), (3625, 10945), (4975, 7975), (5771, 6875)]