70825640

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{5657}}^1$

素因数の和:5981

約数の個数: 32

約数和(自身を含む): 159895080

約数和(自身を除く): 89069440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 5657, 6260, 11314, 12520, 22628, 28285, 45256, 56570, 113140, 226280, 1770641, 3541282, 7082564, 8853205, 14165128, 17706410, 35412820, 70825640]

約数ペア:

[(1, 70825640), (2, 35412820), (4, 17706410), (5, 14165128), (8, 8853205), (10, 7082564), (20, 3541282), (40, 1770641), (313, 226280), (626, 113140), (1252, 56570), (1565, 45256), (2504, 28285), (3130, 22628), (5657, 12520), (6260, 11314)]