26344292980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{102499}}^1$

素因数の和:102760

約数の個数: 48

約数和(自身を含む): 56412720000

約数和(自身を除く): 30068427020

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 181, 284, 355, 362, 710, 724, 905, 1420, 1810, 3620, 12851, 25702, 51404, 64255, 102499, 128510, 204998, 257020, 409996, 512495, 1024990, 2049980, 7277429, 14554858, 18552319, 29109716, 36387145, 37104638, 72774290, 74209276, 92761595, 145548580, 185523190, 371046380, 1317214649, 2634429298, 5268858596, 6586073245, 13172146490, 26344292980]

約数ペア:

[(1, 26344292980), (2, 13172146490), (4, 6586073245), (5, 5268858596), (10, 2634429298), (20, 1317214649), (71, 371046380), (142, 185523190), (181, 145548580), (284, 92761595), (355, 74209276), (362, 72774290), (710, 37104638), (724, 36387145), (905, 29109716), (1420, 18552319), (1810, 14554858), (3620, 7277429), (12851, 2049980), (25702, 1024990), (51404, 512495), (64255, 409996), (102499, 257020), (128510, 204998)]