2140040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7643}}^1$

素因数の和:7661

約数の個数: 32

約数和(自身を含む): 5503680

約数和(自身を除く): 3363640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7643, 15286, 30572, 38215, 53501, 61144, 76430, 107002, 152860, 214004, 267505, 305720, 428008, 535010, 1070020, 2140040]

約数ペア:

[(1, 2140040), (2, 1070020), (4, 535010), (5, 428008), (7, 305720), (8, 267505), (10, 214004), (14, 152860), (20, 107002), (28, 76430), (35, 61144), (40, 53501), (56, 38215), (70, 30572), (140, 15286), (280, 7643)]