158389780

素因数分解:

$2^2\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{3907}}^1$

素因数の和:5943

約数の個数: 24

約数和(自身を含む): 332867808

約数和(自身を除く): 174478028

約数列:

[1, 2, 4, 5, 10, 20, 2027, 3907, 4054, 7814, 8108, 10135, 15628, 19535, 20270, 39070, 40540, 78140, 7919489, 15838978, 31677956, 39597445, 79194890, 158389780]

約数ペア:

[(1, 158389780), (2, 79194890), (4, 39597445), (5, 31677956), (10, 15838978), (20, 7919489), (2027, 78140), (3907, 40540), (4054, 39070), (7814, 20270), (8108, 19535), (10135, 15628)]