31976120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72673}}^1$

素因数の和:72695

約数の個数: 32

約数和(自身を含む): 78487920

約数和(自身を除く): 46511800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 72673, 145346, 290692, 363365, 581384, 726730, 799403, 1453460, 1598806, 2906920, 3197612, 3997015, 6395224, 7994030, 15988060, 31976120]

約数ペア:

[(1, 31976120), (2, 15988060), (4, 7994030), (5, 6395224), (8, 3997015), (10, 3197612), (11, 2906920), (20, 1598806), (22, 1453460), (40, 799403), (44, 726730), (55, 581384), (88, 363365), (110, 290692), (220, 145346), (440, 72673)]