39946660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153641}}^1$

素因数の和:153663

約数の個数: 24

約数和(自身を含む): 90341496

約数和(自身を除く): 50394836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153641, 307282, 614564, 768205, 1536410, 1997333, 3072820, 3994666, 7989332, 9986665, 19973330, 39946660]

約数ペア:

[(1, 39946660), (2, 19973330), (4, 9986665), (5, 7989332), (10, 3994666), (13, 3072820), (20, 1997333), (26, 1536410), (52, 768205), (65, 614564), (130, 307282), (260, 153641)]