8189080

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2027}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 18617040

約数和(自身を除く): 10427960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2027, 4040, 4054, 8108, 10135, 16216, 20270, 40540, 81080, 204727, 409454, 818908, 1023635, 1637816, 2047270, 4094540, 8189080]

約数ペア:

[(1, 8189080), (2, 4094540), (4, 2047270), (5, 1637816), (8, 1023635), (10, 818908), (20, 409454), (40, 204727), (101, 81080), (202, 40540), (404, 20270), (505, 16216), (808, 10135), (1010, 8108), (2020, 4054), (2027, 4040)]