7842140

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1627}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 16546992

約数和(自身を除く): 8704852

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 1627, 2410, 3254, 4820, 6508, 8135, 16270, 32540, 392107, 784214, 1568428, 1960535, 3921070, 7842140]

約数ペア:

[(1, 7842140), (2, 3921070), (4, 1960535), (5, 1568428), (10, 784214), (20, 392107), (241, 32540), (482, 16270), (964, 8135), (1205, 6508), (1627, 4820), (2410, 3254)]