65728760

素因数分解:

$2^3\times 5^1\times {\mathrm{1643219}}^1$

素因数の和:1643230

約数の個数: 16

約数和(自身を含む): 147889800

約数和(自身を除く): 82161040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1643219, 3286438, 6572876, 8216095, 13145752, 16432190, 32864380, 65728760]

約数ペア:

[(1, 65728760), (2, 32864380), (4, 16432190), (5, 13145752), (8, 8216095), (10, 6572876), (20, 3286438), (40, 1643219)]