55717960180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{479}}^1\times {\mathrm{16111}}^1$

素因数の和:16637

約数の個数: 72

約数和(自身を含む): 123755627520

約数和(自身を除く): 68037667340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 479, 722, 958, 1444, 1805, 1916, 2395, 3610, 4790, 7220, 9101, 9580, 16111, 18202, 32222, 36404, 45505, 64444, 80555, 91010, 161110, 172919, 182020, 306109, 322220, 345838, 612218, 691676, 864595, 1224436, 1530545, 1729190, 3061090, 3458380, 5816071, 6122180, 7717169, 11632142, 15434338, 23264284, 29080355, 30868676, 38585845, 58160710, 77171690, 116321420, 146626211, 154343380, 293252422, 586504844, 733131055, 1466262110, 2785898009, 2932524220, 5571796018, 11143592036, 13929490045, 27858980090, 55717960180]

約数ペア:

[(1, 55717960180), (2, 27858980090), (4, 13929490045), (5, 11143592036), (10, 5571796018), (19, 2932524220), (20, 2785898009), (38, 1466262110), (76, 733131055), (95, 586504844), (190, 293252422), (361, 154343380), (380, 146626211), (479, 116321420), (722, 77171690), (958, 58160710), (1444, 38585845), (1805, 30868676), (1916, 29080355), (2395, 23264284), (3610, 15434338), (4790, 11632142), (7220, 7717169), (9101, 6122180), (9580, 5816071), (16111, 3458380), (18202, 3061090), (32222, 1729190), (36404, 1530545), (45505, 1224436), (64444, 864595), (80555, 691676), (91010, 612218), (161110, 345838), (172919, 322220), (182020, 306109)]