83994640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 202487040

約数和(自身を除く): 118492400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 89, 94, 178, 188, 235, 251, 356, 376, 445, 470, 502, 712, 752, 890, 940, 1004, 1255, 1424, 1780, 1880, 2008, 2510, 3560, 3760, 4016, 4183, 5020, 7120, 8366, 10040, 11797, 16732, 20080, 20915, 22339, 23594, 33464, 41830, 44678, 47188, 58985, 66928, 83660, 89356, 94376, 111695, 117970, 167320, 178712, 188752, 223390, 235940, 334640, 357424, 446780, 471880, 893560, 943760, 1049933, 1787120, 2099866, 4199732, 5249665, 8399464, 10499330, 16798928, 20998660, 41997320, 83994640]

約数ペア:

[(1, 83994640), (2, 41997320), (4, 20998660), (5, 16798928), (8, 10499330), (10, 8399464), (16, 5249665), (20, 4199732), (40, 2099866), (47, 1787120), (80, 1049933), (89, 943760), (94, 893560), (178, 471880), (188, 446780), (235, 357424), (251, 334640), (356, 235940), (376, 223390), (445, 188752), (470, 178712), (502, 167320), (712, 117970), (752, 111695), (890, 94376), (940, 89356), (1004, 83660), (1255, 66928), (1424, 58985), (1780, 47188), (1880, 44678), (2008, 41830), (2510, 33464), (3560, 23594), (3760, 22339), (4016, 20915), (4183, 20080), (5020, 16732), (7120, 11797), (8366, 10040)]