8367280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2551}}^1$

素因数の和:2605

約数の個数: 40

約数和(自身を含む): 19936224

約数和(自身を除く): 11568944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2551, 3280, 5102, 10204, 12755, 20408, 25510, 40816, 51020, 102040, 104591, 204080, 209182, 418364, 522955, 836728, 1045910, 1673456, 2091820, 4183640, 8367280]

約数ペア:

[(1, 8367280), (2, 4183640), (4, 2091820), (5, 1673456), (8, 1045910), (10, 836728), (16, 522955), (20, 418364), (40, 209182), (41, 204080), (80, 104591), (82, 102040), (164, 51020), (205, 40816), (328, 25510), (410, 20408), (656, 12755), (820, 10204), (1640, 5102), (2551, 3280)]