26349980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 57788640

約数和(自身を除く): 31438660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 181, 251, 290, 362, 502, 580, 724, 905, 1004, 1255, 1810, 2510, 3620, 5020, 5249, 7279, 10498, 14558, 20996, 26245, 29116, 36395, 45431, 52490, 72790, 90862, 104980, 145580, 181724, 227155, 454310, 908620, 1317499, 2634998, 5269996, 6587495, 13174990, 26349980]

約数ペア:

[(1, 26349980), (2, 13174990), (4, 6587495), (5, 5269996), (10, 2634998), (20, 1317499), (29, 908620), (58, 454310), (116, 227155), (145, 181724), (181, 145580), (251, 104980), (290, 90862), (362, 72790), (502, 52490), (580, 45431), (724, 36395), (905, 29116), (1004, 26245), (1255, 20996), (1810, 14558), (2510, 10498), (3620, 7279), (5020, 5249)]