87258740

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{5393}}^1$

素因数の和:6211

約数の個数: 24

約数和(自身を含む): 183503880

約数和(自身を除く): 96245140

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 5393, 8090, 10786, 16180, 21572, 26965, 53930, 107860, 4362937, 8725874, 17451748, 21814685, 43629370, 87258740]

約数ペア:

[(1, 87258740), (2, 43629370), (4, 21814685), (5, 17451748), (10, 8725874), (20, 4362937), (809, 107860), (1618, 53930), (3236, 26965), (4045, 21572), (5393, 16180), (8090, 10786)]