51147320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4937}}^1$

素因数の和:4992

約数の個数: 64

約数和(自身を含む): 135103680

約数和(自身を除く): 83956360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 4937, 5180, 9874, 10360, 19748, 24685, 34559, 39496, 49370, 69118, 98740, 138236, 172795, 182669, 197480, 276472, 345590, 365338, 691180, 730676, 913345, 1278683, 1382360, 1461352, 1826690, 2557366, 3653380, 5114732, 6393415, 7306760, 10229464, 12786830, 25573660, 51147320]

約数ペア:

[(1, 51147320), (2, 25573660), (4, 12786830), (5, 10229464), (7, 7306760), (8, 6393415), (10, 5114732), (14, 3653380), (20, 2557366), (28, 1826690), (35, 1461352), (37, 1382360), (40, 1278683), (56, 913345), (70, 730676), (74, 691180), (140, 365338), (148, 345590), (185, 276472), (259, 197480), (280, 182669), (296, 172795), (370, 138236), (518, 98740), (740, 69118), (1036, 49370), (1295, 39496), (1480, 34559), (2072, 24685), (2590, 19748), (4937, 10360), (5180, 9874)]