1245820

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 2638944

約数和(自身を除く): 1393124

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 373, 668, 746, 835, 1492, 1670, 1865, 3340, 3730, 7460, 62291, 124582, 249164, 311455, 622910, 1245820]

約数ペア:

[(1, 1245820), (2, 622910), (4, 311455), (5, 249164), (10, 124582), (20, 62291), (167, 7460), (334, 3730), (373, 3340), (668, 1865), (746, 1670), (835, 1492)]