9780478840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22228361}}^1$

素因数の和:22228383

約数の個数: 32

約数和(自身を含む): 24006630960

約数和(自身を除く): 14226152120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 22228361, 44456722, 88913444, 111141805, 177826888, 222283610, 244511971, 444567220, 489023942, 889134440, 978047884, 1222559855, 1956095768, 2445119710, 4890239420, 9780478840]

約数ペア:

[(1, 9780478840), (2, 4890239420), (4, 2445119710), (5, 1956095768), (8, 1222559855), (10, 978047884), (11, 889134440), (20, 489023942), (22, 444567220), (40, 244511971), (44, 222283610), (55, 177826888), (88, 111141805), (110, 88913444), (220, 44456722), (440, 22228361)]