123865660

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{11119}}^1$

素因数の和:11685

約数の個数: 24

約数和(自身を含む): 260608320

約数和(自身を除く): 136742660

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11119, 11140, 22238, 44476, 55595, 111190, 222380, 6193283, 12386566, 24773132, 30966415, 61932830, 123865660]

約数ペア:

[(1, 123865660), (2, 61932830), (4, 30966415), (5, 24773132), (10, 12386566), (20, 6193283), (557, 222380), (1114, 111190), (2228, 55595), (2785, 44476), (5570, 22238), (11119, 11140)]