28627660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84199}}^1$

素因数の和:84225

約数の個数: 24

約数和(自身を含む): 63655200

約数和(自身を除く): 35027540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84199, 168398, 336796, 420995, 841990, 1431383, 1683980, 2862766, 5725532, 7156915, 14313830, 28627660]

約数ペア:

[(1, 28627660), (2, 14313830), (4, 7156915), (5, 5725532), (10, 2862766), (17, 1683980), (20, 1431383), (34, 841990), (68, 420995), (85, 336796), (170, 168398), (340, 84199)]