28913360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51631}}^1$

素因数の和:51651

約数の個数: 40

約数和(自身を含む): 76828416

約数和(自身を除く): 47915056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51631, 103262, 206524, 258155, 361417, 413048, 516310, 722834, 826096, 1032620, 1445668, 1807085, 2065240, 2891336, 3614170, 4130480, 5782672, 7228340, 14456680, 28913360]

約数ペア:

[(1, 28913360), (2, 14456680), (4, 7228340), (5, 5782672), (7, 4130480), (8, 3614170), (10, 2891336), (14, 2065240), (16, 1807085), (20, 1445668), (28, 1032620), (35, 826096), (40, 722834), (56, 516310), (70, 413048), (80, 361417), (112, 258155), (140, 206524), (280, 103262), (560, 51631)]