31772120

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1723}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 71683920

約数和(自身を除く): 39911800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1723, 1844, 2305, 3446, 3688, 4610, 6892, 8615, 9220, 13784, 17230, 18440, 34460, 68920, 794303, 1588606, 3177212, 3971515, 6354424, 7943030, 15886060, 31772120]

約数ペア:

[(1, 31772120), (2, 15886060), (4, 7943030), (5, 6354424), (8, 3971515), (10, 3177212), (20, 1588606), (40, 794303), (461, 68920), (922, 34460), (1723, 18440), (1844, 17230), (2305, 13784), (3446, 9220), (3688, 8615), (4610, 6892)]