80734820

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{17783}}^1$

素因数の和:18019

約数の個数: 24

約数和(自身を含む): 170299584

約数和(自身を除く): 89564764

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 17783, 35566, 71132, 88915, 177830, 355660, 4036741, 8073482, 16146964, 20183705, 40367410, 80734820]

約数ペア:

[(1, 80734820), (2, 40367410), (4, 20183705), (5, 16146964), (10, 8073482), (20, 4036741), (227, 355660), (454, 177830), (908, 88915), (1135, 71132), (2270, 35566), (4540, 17783)]