39647540

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1613}}^1$

素因数の和:2851

約数の個数: 24

約数和(自身を含む): 83379240

約数和(自身を除く): 43731700

約数列:

[1, 2, 4, 5, 10, 20, 1229, 1613, 2458, 3226, 4916, 6145, 6452, 8065, 12290, 16130, 24580, 32260, 1982377, 3964754, 7929508, 9911885, 19823770, 39647540]

約数ペア:

[(1, 39647540), (2, 19823770), (4, 9911885), (5, 7929508), (10, 3964754), (20, 1982377), (1229, 32260), (1613, 24580), (2458, 16130), (3226, 12290), (4916, 8065), (6145, 6452)]