20095928560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{28837}}^1$

素因数の和:29162

約数の個数: 80

約数和(自身を含む): 48403544832

約数和(自身を除く): 28307616272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 281, 310, 496, 562, 620, 1124, 1240, 1405, 2248, 2480, 2810, 4496, 5620, 8711, 11240, 17422, 22480, 28837, 34844, 43555, 57674, 69688, 87110, 115348, 139376, 144185, 174220, 230696, 288370, 348440, 461392, 576740, 696880, 893947, 1153480, 1787894, 2306960, 3575788, 4469735, 7151576, 8103197, 8939470, 14303152, 16206394, 17878940, 32412788, 35757880, 40515985, 64825576, 71515760, 81031970, 129651152, 162063940, 251199107, 324127880, 502398214, 648255760, 1004796428, 1255995535, 2009592856, 2511991070, 4019185712, 5023982140, 10047964280, 20095928560]

約数ペア:

[(1, 20095928560), (2, 10047964280), (4, 5023982140), (5, 4019185712), (8, 2511991070), (10, 2009592856), (16, 1255995535), (20, 1004796428), (31, 648255760), (40, 502398214), (62, 324127880), (80, 251199107), (124, 162063940), (155, 129651152), (248, 81031970), (281, 71515760), (310, 64825576), (496, 40515985), (562, 35757880), (620, 32412788), (1124, 17878940), (1240, 16206394), (1405, 14303152), (2248, 8939470), (2480, 8103197), (2810, 7151576), (4496, 4469735), (5620, 3575788), (8711, 2306960), (11240, 1787894), (17422, 1153480), (22480, 893947), (28837, 696880), (34844, 576740), (43555, 461392), (57674, 348440), (69688, 288370), (87110, 230696), (115348, 174220), (139376, 144185)]