39892720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71237}}^1$

素因数の和:71257

約数の個数: 40

約数和(自身を含む): 106002144

約数和(自身を除く): 66109424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71237, 142474, 284948, 356185, 498659, 569896, 712370, 997318, 1139792, 1424740, 1994636, 2493295, 2849480, 3989272, 4986590, 5698960, 7978544, 9973180, 19946360, 39892720]

約数ペア:

[(1, 39892720), (2, 19946360), (4, 9973180), (5, 7978544), (7, 5698960), (8, 4986590), (10, 3989272), (14, 2849480), (16, 2493295), (20, 1994636), (28, 1424740), (35, 1139792), (40, 997318), (56, 712370), (70, 569896), (80, 498659), (112, 356185), (140, 284948), (280, 142474), (560, 71237)]