879232840

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{121441}}^1$

素因数の和:121633

約数の個数: 32

約数和(自身を含む): 1989219960

約数和(自身を除く): 1109987120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 121441, 242882, 485764, 607205, 971528, 1214410, 2428820, 4857640, 21980821, 43961642, 87923284, 109904105, 175846568, 219808210, 439616420, 879232840]

約数ペア:

[(1, 879232840), (2, 439616420), (4, 219808210), (5, 175846568), (8, 109904105), (10, 87923284), (20, 43961642), (40, 21980821), (181, 4857640), (362, 2428820), (724, 1214410), (905, 971528), (1448, 607205), (1810, 485764), (3620, 242882), (7240, 121441)]