87457220

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{5657}}^1$

素因数の和:6439

約数の個数: 24

約数和(自身を含む): 183930264

約数和(自身を除く): 96473044

約数列:

[1, 2, 4, 5, 10, 20, 773, 1546, 3092, 3865, 5657, 7730, 11314, 15460, 22628, 28285, 56570, 113140, 4372861, 8745722, 17491444, 21864305, 43728610, 87457220]

約数ペア:

[(1, 87457220), (2, 43728610), (4, 21864305), (5, 17491444), (10, 8745722), (20, 4372861), (773, 113140), (1546, 56570), (3092, 28285), (3865, 22628), (5657, 15460), (7730, 11314)]