9779440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11113}}^1$

素因数の和:11137

約数の個数: 40

約数和(自身を含む): 24806448

約数和(自身を除く): 15027008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 11113, 22226, 44452, 55565, 88904, 111130, 122243, 177808, 222260, 244486, 444520, 488972, 611215, 889040, 977944, 1222430, 1955888, 2444860, 4889720, 9779440]

約数ペア:

[(1, 9779440), (2, 4889720), (4, 2444860), (5, 1955888), (8, 1222430), (10, 977944), (11, 889040), (16, 611215), (20, 488972), (22, 444520), (40, 244486), (44, 222260), (55, 177808), (80, 122243), (88, 111130), (110, 88904), (176, 55565), (220, 44452), (440, 22226), (880, 11113)]