31226360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70969}}^1$

素因数の和:70991

約数の個数: 32

約数和(自身を含む): 76647600

約数和(自身を除く): 45421240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70969, 141938, 283876, 354845, 567752, 709690, 780659, 1419380, 1561318, 2838760, 3122636, 3903295, 6245272, 7806590, 15613180, 31226360]

約数ペア:

[(1, 31226360), (2, 15613180), (4, 7806590), (5, 6245272), (8, 3903295), (10, 3122636), (11, 2838760), (20, 1561318), (22, 1419380), (40, 780659), (44, 709690), (55, 567752), (88, 354845), (110, 283876), (220, 141938), (440, 70969)]