87819080

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19429}}^1$

素因数の和:19553

約数の個数: 32

約数和(自身を含む): 199351800

約数和(自身を除く): 111532720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 19429, 38858, 77716, 97145, 155432, 194290, 388580, 777160, 2195477, 4390954, 8781908, 10977385, 17563816, 21954770, 43909540, 87819080]

約数ペア:

[(1, 87819080), (2, 43909540), (4, 21954770), (5, 17563816), (8, 10977385), (10, 8781908), (20, 4390954), (40, 2195477), (113, 777160), (226, 388580), (452, 194290), (565, 155432), (904, 97145), (1130, 77716), (2260, 38858), (4520, 19429)]