27501160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{409}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 63578700

約数和(自身を除く): 36077540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 409, 410, 818, 820, 1636, 1640, 1681, 2045, 3272, 3362, 4090, 6724, 8180, 8405, 13448, 16360, 16769, 16810, 33538, 33620, 67076, 67240, 83845, 134152, 167690, 335380, 670760, 687529, 1375058, 2750116, 3437645, 5500232, 6875290, 13750580, 27501160]

約数ペア:

[(1, 27501160), (2, 13750580), (4, 6875290), (5, 5500232), (8, 3437645), (10, 2750116), (20, 1375058), (40, 687529), (41, 670760), (82, 335380), (164, 167690), (205, 134152), (328, 83845), (409, 67240), (410, 67076), (818, 33620), (820, 33538), (1636, 16810), (1640, 16769), (1681, 16360), (2045, 13448), (3272, 8405), (3362, 8180), (4090, 6724)]