25659460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 57528576

約数和(自身を除く): 31869116

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 463, 652, 815, 926, 1630, 1852, 2315, 2771, 3260, 4630, 5542, 7871, 9260, 11084, 13855, 15742, 27710, 31484, 39355, 55420, 75469, 78710, 150938, 157420, 301876, 377345, 754690, 1282973, 1509380, 2565946, 5131892, 6414865, 12829730, 25659460]

約数ペア:

[(1, 25659460), (2, 12829730), (4, 6414865), (5, 5131892), (10, 2565946), (17, 1509380), (20, 1282973), (34, 754690), (68, 377345), (85, 301876), (163, 157420), (170, 150938), (326, 78710), (340, 75469), (463, 55420), (652, 39355), (815, 31484), (926, 27710), (1630, 15742), (1852, 13855), (2315, 11084), (2771, 9260), (3260, 7871), (4630, 5542)]