61967240

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6947}}^1$

素因数の和:7181

約数の個数: 32

約数和(自身を含む): 140071680

約数和(自身を除く): 78104440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 6947, 8920, 13894, 27788, 34735, 55576, 69470, 138940, 277880, 1549181, 3098362, 6196724, 7745905, 12393448, 15491810, 30983620, 61967240]

約数ペア:

[(1, 61967240), (2, 30983620), (4, 15491810), (5, 12393448), (8, 7745905), (10, 6196724), (20, 3098362), (40, 1549181), (223, 277880), (446, 138940), (892, 69470), (1115, 55576), (1784, 34735), (2230, 27788), (4460, 13894), (6947, 8920)]