67240

素因数分解:

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

素因数の和:93

約数の個数: 24

約数和(自身を含む): 155070

約数和(自身を除く): 87830

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 3362, 6724, 8405, 13448, 16810, 33620, 67240]

約数ペア:

[(1, 67240), (2, 33620), (4, 16810), (5, 13448), (8, 8405), (10, 6724), (20, 3362), (40, 1681), (41, 1640), (82, 820), (164, 410), (205, 328)]