25255750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 53726400

約数和(自身を除く): 28470650

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 409, 475, 494, 650, 818, 950, 1235, 1625, 2045, 2375, 2470, 3250, 4090, 4750, 5317, 6175, 7771, 10225, 10634, 12350, 15542, 20450, 26585, 30875, 38855, 51125, 53170, 61750, 77710, 101023, 102250, 132925, 194275, 202046, 265850, 388550, 505115, 664625, 971375, 1010230, 1329250, 1942750, 2525575, 5051150, 12627875, 25255750]

約数ペア:

[(1, 25255750), (2, 12627875), (5, 5051150), (10, 2525575), (13, 1942750), (19, 1329250), (25, 1010230), (26, 971375), (38, 664625), (50, 505115), (65, 388550), (95, 265850), (125, 202046), (130, 194275), (190, 132925), (247, 102250), (250, 101023), (325, 77710), (409, 61750), (475, 53170), (494, 51125), (650, 38855), (818, 30875), (950, 26585), (1235, 20450), (1625, 15542), (2045, 12350), (2375, 10634), (2470, 10225), (3250, 7771), (4090, 6175), (4750, 5317)]