67407280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20551}}^1$

素因数の和:20605

約数の個数: 40

約数和(自身を含む): 160552224

約数和(自身を除く): 93144944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20551, 41102, 82204, 102755, 164408, 205510, 328816, 411020, 822040, 842591, 1644080, 1685182, 3370364, 4212955, 6740728, 8425910, 13481456, 16851820, 33703640, 67407280]

約数ペア:

[(1, 67407280), (2, 33703640), (4, 16851820), (5, 13481456), (8, 8425910), (10, 6740728), (16, 4212955), (20, 3370364), (40, 1685182), (41, 1644080), (80, 842591), (82, 822040), (164, 411020), (205, 328816), (328, 205510), (410, 164408), (656, 102755), (820, 82204), (1640, 41102), (3280, 20551)]