8638280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30851}}^1$

素因数の和:30869

約数の個数: 32

約数和(自身を含む): 22213440

約数和(自身を除く): 13575160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30851, 61702, 123404, 154255, 215957, 246808, 308510, 431914, 617020, 863828, 1079785, 1234040, 1727656, 2159570, 4319140, 8638280]

約数ペア:

[(1, 8638280), (2, 4319140), (4, 2159570), (5, 1727656), (7, 1234040), (8, 1079785), (10, 863828), (14, 617020), (20, 431914), (28, 308510), (35, 246808), (40, 215957), (56, 154255), (70, 123404), (140, 61702), (280, 30851)]