20160837920

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1595003}}^1$

素因数の和:1595097

約数の個数: 48

約数和(自身を含む): 48232920960

約数和(自身を除く): 28072083040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 1595003, 3190006, 6380012, 7975015, 12760024, 15950030, 25520048, 31900060, 51040096, 63800120, 126005237, 127600240, 252010474, 255200480, 504020948, 630026185, 1008041896, 1260052370, 2016083792, 2520104740, 4032167584, 5040209480, 10080418960, 20160837920]

約数ペア:

[(1, 20160837920), (2, 10080418960), (4, 5040209480), (5, 4032167584), (8, 2520104740), (10, 2016083792), (16, 1260052370), (20, 1008041896), (32, 630026185), (40, 504020948), (79, 255200480), (80, 252010474), (158, 127600240), (160, 126005237), (316, 63800120), (395, 51040096), (632, 31900060), (790, 25520048), (1264, 15950030), (1580, 12760024), (2528, 7975015), (3160, 6380012), (6320, 3190006), (12640, 1595003)]