39428840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89611}}^1$

素因数の和:89633

約数の個数: 32

約数和(自身を含む): 96780960

約数和(自身を除く): 57352120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 89611, 179222, 358444, 448055, 716888, 896110, 985721, 1792220, 1971442, 3584440, 3942884, 4928605, 7885768, 9857210, 19714420, 39428840]

約数ペア:

[(1, 39428840), (2, 19714420), (4, 9857210), (5, 7885768), (8, 4928605), (10, 3942884), (11, 3584440), (20, 1971442), (22, 1792220), (40, 985721), (44, 896110), (55, 716888), (88, 448055), (110, 358444), (220, 179222), (440, 89611)]