201560080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28309}}^1$

素因数の和:28411

約数の個数: 40

約数和(自身を含む): 473909400

約数和(自身を除く): 272349320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 28309, 56618, 113236, 141545, 226472, 283090, 452944, 566180, 1132360, 2264720, 2519501, 5039002, 10078004, 12597505, 20156008, 25195010, 40312016, 50390020, 100780040, 201560080]

約数ペア:

[(1, 201560080), (2, 100780040), (4, 50390020), (5, 40312016), (8, 25195010), (10, 20156008), (16, 12597505), (20, 10078004), (40, 5039002), (80, 2519501), (89, 2264720), (178, 1132360), (356, 566180), (445, 452944), (712, 283090), (890, 226472), (1424, 141545), (1780, 113236), (3560, 56618), (7120, 28309)]