31148840

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4663}}^1$

素因数の和:4841

約数の個数: 32

約数和(自身を含む): 70519680

約数和(自身を除く): 39370840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 4663, 6680, 9326, 18652, 23315, 37304, 46630, 93260, 186520, 778721, 1557442, 3114884, 3893605, 6229768, 7787210, 15574420, 31148840]

約数ペア:

[(1, 31148840), (2, 15574420), (4, 7787210), (5, 6229768), (8, 3893605), (10, 3114884), (20, 1557442), (40, 778721), (167, 186520), (334, 93260), (668, 46630), (835, 37304), (1336, 23315), (1670, 18652), (3340, 9326), (4663, 6680)]