31965320

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{971}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 72083520

約数和(自身を除く): 40118200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 971, 1646, 1942, 3292, 3884, 4115, 4855, 6584, 7768, 8230, 9710, 16460, 19420, 32920, 38840, 799133, 1598266, 3196532, 3995665, 6393064, 7991330, 15982660, 31965320]

約数ペア:

[(1, 31965320), (2, 15982660), (4, 7991330), (5, 6393064), (8, 3995665), (10, 3196532), (20, 1598266), (40, 799133), (823, 38840), (971, 32920), (1646, 19420), (1942, 16460), (3292, 9710), (3884, 8230), (4115, 7768), (4855, 6584)]