72242620

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{3623}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 151903584

約数和(自身を除く): 79660964

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3623, 3988, 4985, 7246, 9970, 14492, 18115, 19940, 36230, 72460, 3612131, 7224262, 14448524, 18060655, 36121310, 72242620]

約数ペア:

[(1, 72242620), (2, 36121310), (4, 18060655), (5, 14448524), (10, 7224262), (20, 3612131), (997, 72460), (1994, 36230), (3623, 19940), (3988, 18115), (4985, 14492), (7246, 9970)]