76871440

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2903}}^1$

素因数の和:3247

約数の個数: 40

約数和(自身を含む): 179327808

約数和(自身を除く): 102456368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 2903, 3310, 5296, 5806, 6620, 11612, 13240, 14515, 23224, 26480, 29030, 46448, 58060, 116120, 232240, 960893, 1921786, 3843572, 4804465, 7687144, 9608930, 15374288, 19217860, 38435720, 76871440]

約数ペア:

[(1, 76871440), (2, 38435720), (4, 19217860), (5, 15374288), (8, 9608930), (10, 7687144), (16, 4804465), (20, 3843572), (40, 1921786), (80, 960893), (331, 232240), (662, 116120), (1324, 58060), (1655, 46448), (2648, 29030), (2903, 26480), (3310, 23224), (5296, 14515), (5806, 13240), (6620, 11612)]