87072380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{31321}}^1$

素因数の和:31469

約数の個数: 24

約数和(自身を含む): 184173360

約数和(自身を除く): 97100980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 31321, 62642, 125284, 156605, 313210, 626420, 4353619, 8707238, 17414476, 21768095, 43536190, 87072380]

約数ペア:

[(1, 87072380), (2, 43536190), (4, 21768095), (5, 17414476), (10, 8707238), (20, 4353619), (139, 626420), (278, 313210), (556, 156605), (695, 125284), (1390, 62642), (2780, 31321)]