87292040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198391}}^1$

素因数の和:198413

約数の個数: 32

約数和(自身を含む): 214263360

約数和(自身を除く): 126971320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 198391, 396782, 793564, 991955, 1587128, 1983910, 2182301, 3967820, 4364602, 7935640, 8729204, 10911505, 17458408, 21823010, 43646020, 87292040]

約数ペア:

[(1, 87292040), (2, 43646020), (4, 21823010), (5, 17458408), (8, 10911505), (10, 8729204), (11, 7935640), (20, 4364602), (22, 3967820), (40, 2182301), (44, 1983910), (55, 1587128), (88, 991955), (110, 793564), (220, 396782), (440, 198391)]