86215780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{615827}}^1$

素因数の和:615843

約数の個数: 24

約数和(自身を含む): 206918208

約数和(自身を除く): 120702428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 615827, 1231654, 2463308, 3079135, 4310789, 6158270, 8621578, 12316540, 17243156, 21553945, 43107890, 86215780]

約数ペア:

[(1, 86215780), (2, 43107890), (4, 21553945), (5, 17243156), (7, 12316540), (10, 8621578), (14, 6158270), (20, 4310789), (28, 3079135), (35, 2463308), (70, 1231654), (140, 615827)]