40377740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155299}}^1$

素因数の和:155321

約数の個数: 24

約数和(自身を含む): 91316400

約数和(自身を除く): 50938660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155299, 310598, 621196, 776495, 1552990, 2018887, 3105980, 4037774, 8075548, 10094435, 20188870, 40377740]

約数ペア:

[(1, 40377740), (2, 20188870), (4, 10094435), (5, 8075548), (10, 4037774), (13, 3105980), (20, 2018887), (26, 1552990), (52, 776495), (65, 621196), (130, 310598), (260, 155299)]