54991013020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{691363}}^1$

素因数の和:691510

約数の個数: 48

約数和(自身を含む): 119517477408

約数和(自身を除く): 64526464388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1940, 3977, 7954, 15908, 19885, 39770, 79540, 691363, 1382726, 2765452, 3456815, 6913630, 13827260, 28345883, 56691766, 67062211, 113383532, 134124422, 141729415, 268248844, 283458830, 335311055, 566917660, 670622110, 1341244220, 2749550651, 5499101302, 10998202604, 13747753255, 27495506510, 54991013020]

約数ペア:

[(1, 54991013020), (2, 27495506510), (4, 13747753255), (5, 10998202604), (10, 5499101302), (20, 2749550651), (41, 1341244220), (82, 670622110), (97, 566917660), (164, 335311055), (194, 283458830), (205, 268248844), (388, 141729415), (410, 134124422), (485, 113383532), (820, 67062211), (970, 56691766), (1940, 28345883), (3977, 13827260), (7954, 6913630), (15908, 3456815), (19885, 2765452), (39770, 1382726), (79540, 691363)]