25516640

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1579}}^1$

素因数の和:1695

約数の個数: 48

約数和(自身を含む): 60918480

約数和(自身を除く): 35401840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1579, 1616, 2020, 3158, 3232, 4040, 6316, 7895, 8080, 12632, 15790, 16160, 25264, 31580, 50528, 63160, 126320, 159479, 252640, 318958, 637916, 797395, 1275832, 1594790, 2551664, 3189580, 5103328, 6379160, 12758320, 25516640]

約数ペア:

[(1, 25516640), (2, 12758320), (4, 6379160), (5, 5103328), (8, 3189580), (10, 2551664), (16, 1594790), (20, 1275832), (32, 797395), (40, 637916), (80, 318958), (101, 252640), (160, 159479), (202, 126320), (404, 63160), (505, 50528), (808, 31580), (1010, 25264), (1579, 16160), (1616, 15790), (2020, 12632), (3158, 8080), (3232, 7895), (4040, 6316)]