87756880

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10861}}^1$

素因数の和:10975

約数の個数: 40

約数和(自身を含む): 206073864

約数和(自身を除く): 118316984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 10861, 21722, 43444, 54305, 86888, 108610, 173776, 217220, 434440, 868880, 1096961, 2193922, 4387844, 5484805, 8775688, 10969610, 17551376, 21939220, 43878440, 87756880]

約数ペア:

[(1, 87756880), (2, 43878440), (4, 21939220), (5, 17551376), (8, 10969610), (10, 8775688), (16, 5484805), (20, 4387844), (40, 2193922), (80, 1096961), (101, 868880), (202, 434440), (404, 217220), (505, 173776), (808, 108610), (1010, 86888), (1616, 54305), (2020, 43444), (4040, 21722), (8080, 10861)]