102912980

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{28429}}^1$

素因数の和:28619

約数の個数: 24

約数和(自身を含む): 217318920

約数和(自身を除く): 114405940

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 28429, 56858, 113716, 142145, 284290, 568580, 5145649, 10291298, 20582596, 25728245, 51456490, 102912980]

約数ペア:

[(1, 102912980), (2, 51456490), (4, 25728245), (5, 20582596), (10, 10291298), (20, 5145649), (181, 568580), (362, 284290), (724, 142145), (905, 113716), (1810, 56858), (3620, 28429)]