31162120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70823}}^1$

素因数の和:70845

約数の個数: 32

約数和(自身を含む): 76489920

約数和(自身を除く): 45327800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70823, 141646, 283292, 354115, 566584, 708230, 779053, 1416460, 1558106, 2832920, 3116212, 3895265, 6232424, 7790530, 15581060, 31162120]

約数ペア:

[(1, 31162120), (2, 15581060), (4, 7790530), (5, 6232424), (8, 3895265), (10, 3116212), (11, 2832920), (20, 1558106), (22, 1416460), (40, 779053), (44, 708230), (55, 566584), (88, 354115), (110, 283292), (220, 141646), (440, 70823)]