68945440

素因数分解:

$2^5\times 5^1\times {\mathrm{430909}}^1$

素因数の和:430924

約数の個数: 24

約数和(自身を含む): 162883980

約数和(自身を除く): 93938540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 430909, 861818, 1723636, 2154545, 3447272, 4309090, 6894544, 8618180, 13789088, 17236360, 34472720, 68945440]

約数ペア:

[(1, 68945440), (2, 34472720), (4, 17236360), (5, 13789088), (8, 8618180), (10, 6894544), (16, 4309090), (20, 3447272), (32, 2154545), (40, 1723636), (80, 861818), (160, 430909)]