31581620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{225583}}^1$

素因数の和:225599

約数の個数: 24

約数和(自身を含む): 75796224

約数和(自身を除く): 44214604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 225583, 451166, 902332, 1127915, 1579081, 2255830, 3158162, 4511660, 6316324, 7895405, 15790810, 31581620]

約数ペア:

[(1, 31581620), (2, 15790810), (4, 7895405), (5, 6316324), (7, 4511660), (10, 3158162), (14, 2255830), (20, 1579081), (28, 1127915), (35, 902332), (70, 451166), (140, 225583)]