8844440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20101}}^1$

素因数の和:20123

約数の個数: 32

約数和(自身を含む): 21710160

約数和(自身を除く): 12865720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20101, 40202, 80404, 100505, 160808, 201010, 221111, 402020, 442222, 804040, 884444, 1105555, 1768888, 2211110, 4422220, 8844440]

約数ペア:

[(1, 8844440), (2, 4422220), (4, 2211110), (5, 1768888), (8, 1105555), (10, 884444), (11, 804040), (20, 442222), (22, 402020), (40, 221111), (44, 201010), (55, 160808), (88, 100505), (110, 80404), (220, 40202), (440, 20101)]