38926420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149717}}^1$

素因数の和:149739

約数の個数: 24

約数和(自身を含む): 88034184

約数和(自身を除く): 49107764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149717, 299434, 598868, 748585, 1497170, 1946321, 2994340, 3892642, 7785284, 9731605, 19463210, 38926420]

約数ペア:

[(1, 38926420), (2, 19463210), (4, 9731605), (5, 7785284), (10, 3892642), (13, 2994340), (20, 1946321), (26, 1497170), (52, 748585), (65, 598868), (130, 299434), (260, 149717)]