39688860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661481}}^1$

素因数の和:661493

約数の個数: 24

約数和(自身を含む): 111128976

約数和(自身を除く): 71440116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661481, 1322962, 1984443, 2645924, 3307405, 3968886, 6614810, 7937772, 9922215, 13229620, 19844430, 39688860]

約数ペア:

[(1, 39688860), (2, 19844430), (3, 13229620), (4, 9922215), (5, 7937772), (6, 6614810), (10, 3968886), (12, 3307405), (15, 2645924), (20, 1984443), (30, 1322962), (60, 661481)]