87175120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10789}}^1$

素因数の和:10903

約数の個数: 40

約数和(自身を含む): 204707880

約数和(自身を除く): 117532760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 10789, 21578, 43156, 53945, 86312, 107890, 172624, 215780, 431560, 863120, 1089689, 2179378, 4358756, 5448445, 8717512, 10896890, 17435024, 21793780, 43587560, 87175120]

約数ペア:

[(1, 87175120), (2, 43587560), (4, 21793780), (5, 17435024), (8, 10896890), (10, 8717512), (16, 5448445), (20, 4358756), (40, 2179378), (80, 1089689), (101, 863120), (202, 431560), (404, 215780), (505, 172624), (808, 107890), (1010, 86312), (1616, 53945), (2020, 43156), (4040, 21578), (8080, 10789)]