20260455440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{283601}}^1$

素因数の和:283680

約数の個数: 80

約数和(自身を含む): 50639973120

約数和(自身を除く): 30379517680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1520, 1786, 1880, 3572, 3760, 4465, 7144, 8930, 14288, 17860, 35720, 71440, 283601, 567202, 1134404, 1418005, 2268808, 2836010, 4537616, 5388419, 5672020, 10776838, 11344040, 13329247, 21553676, 22688080, 26658494, 26942095, 43107352, 53316988, 53884190, 66646235, 86214704, 106633976, 107768380, 133292470, 213267952, 215536760, 253255693, 266584940, 431073520, 506511386, 533169880, 1013022772, 1066339760, 1266278465, 2026045544, 2532556930, 4052091088, 5065113860, 10130227720, 20260455440]

約数ペア:

[(1, 20260455440), (2, 10130227720), (4, 5065113860), (5, 4052091088), (8, 2532556930), (10, 2026045544), (16, 1266278465), (19, 1066339760), (20, 1013022772), (38, 533169880), (40, 506511386), (47, 431073520), (76, 266584940), (80, 253255693), (94, 215536760), (95, 213267952), (152, 133292470), (188, 107768380), (190, 106633976), (235, 86214704), (304, 66646235), (376, 53884190), (380, 53316988), (470, 43107352), (752, 26942095), (760, 26658494), (893, 22688080), (940, 21553676), (1520, 13329247), (1786, 11344040), (1880, 10776838), (3572, 5672020), (3760, 5388419), (4465, 4537616), (7144, 2836010), (8930, 2268808), (14288, 1418005), (17860, 1134404), (35720, 567202), (71440, 283601)]