8688880

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 20324592

約数和(自身を除く): 11635712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 347, 626, 694, 1252, 1388, 1565, 1735, 2504, 2776, 3130, 3470, 5008, 5552, 6260, 6940, 12520, 13880, 25040, 27760, 108611, 217222, 434444, 543055, 868888, 1086110, 1737776, 2172220, 4344440, 8688880]

約数ペア:

[(1, 8688880), (2, 4344440), (4, 2172220), (5, 1737776), (8, 1086110), (10, 868888), (16, 543055), (20, 434444), (40, 217222), (80, 108611), (313, 27760), (347, 25040), (626, 13880), (694, 12520), (1252, 6940), (1388, 6260), (1565, 5552), (1735, 5008), (2504, 3470), (2776, 3130)]