123800840

素因数分解:

$2^3\times 5^1\times {\mathrm{1483}}^1\times {\mathrm{2087}}^1$

素因数の和:3581

約数の個数: 32

約数和(自身を含む): 278873280

約数和(自身を除く): 155072440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1483, 2087, 2966, 4174, 5932, 7415, 8348, 10435, 11864, 14830, 16696, 20870, 29660, 41740, 59320, 83480, 3095021, 6190042, 12380084, 15475105, 24760168, 30950210, 61900420, 123800840]

約数ペア:

[(1, 123800840), (2, 61900420), (4, 30950210), (5, 24760168), (8, 15475105), (10, 12380084), (20, 6190042), (40, 3095021), (1483, 83480), (2087, 59320), (2966, 41740), (4174, 29660), (5932, 20870), (7415, 16696), (8348, 14830), (10435, 11864)]