25634020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 56504448

約数和(自身を除く): 30870428

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 727, 820, 860, 1454, 1763, 2908, 3526, 3635, 7052, 7270, 8815, 14540, 17630, 29807, 31261, 35260, 59614, 62522, 119228, 125044, 149035, 156305, 298070, 312610, 596140, 625220, 1281701, 2563402, 5126804, 6408505, 12817010, 25634020]

約数ペア:

[(1, 25634020), (2, 12817010), (4, 6408505), (5, 5126804), (10, 2563402), (20, 1281701), (41, 625220), (43, 596140), (82, 312610), (86, 298070), (164, 156305), (172, 149035), (205, 125044), (215, 119228), (410, 62522), (430, 59614), (727, 35260), (820, 31261), (860, 29807), (1454, 17630), (1763, 14540), (2908, 8815), (3526, 7270), (3635, 7052)]