90840760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{78311}}^1$

素因数の和:78351

約数の個数: 32

約数和(自身を含む): 211442400

約数和(自身を除く): 120601640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 78311, 156622, 313244, 391555, 626488, 783110, 1566220, 2271019, 3132440, 4542038, 9084076, 11355095, 18168152, 22710190, 45420380, 90840760]

約数ペア:

[(1, 90840760), (2, 45420380), (4, 22710190), (5, 18168152), (8, 11355095), (10, 9084076), (20, 4542038), (29, 3132440), (40, 2271019), (58, 1566220), (116, 783110), (145, 626488), (232, 391555), (290, 313244), (580, 156622), (1160, 78311)]