77676640

素因数分解:

$2^5\times 5^1\times {\mathrm{485479}}^1$

素因数の和:485494

約数の個数: 24

約数和(自身を含む): 183511440

約数和(自身を除く): 105834800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 485479, 970958, 1941916, 2427395, 3883832, 4854790, 7767664, 9709580, 15535328, 19419160, 38838320, 77676640]

約数ペア:

[(1, 77676640), (2, 38838320), (4, 19419160), (5, 15535328), (8, 9709580), (10, 7767664), (16, 4854790), (20, 3883832), (32, 2427395), (40, 1941916), (80, 970958), (160, 485479)]