1405660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1049}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 2998800

約数和(自身を除く): 1593140

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1049, 1340, 2098, 4196, 5245, 10490, 20980, 70283, 140566, 281132, 351415, 702830, 1405660]

約数ペア:

[(1, 1405660), (2, 702830), (4, 351415), (5, 281132), (10, 140566), (20, 70283), (67, 20980), (134, 10490), (268, 5245), (335, 4196), (670, 2098), (1049, 1340)]