4397777980

素因数分解:

$2^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{257783}}^1$

素因数の和:258645

約数の個数: 24

約数和(自身を含む): 9246196512

約数和(自身を除く): 4848418532

約数列:

[1, 2, 4, 5, 10, 20, 853, 1706, 3412, 4265, 8530, 17060, 257783, 515566, 1031132, 1288915, 2577830, 5155660, 219888899, 439777798, 879555596, 1099444495, 2198888990, 4397777980]

約数ペア:

[(1, 4397777980), (2, 2198888990), (4, 1099444495), (5, 879555596), (10, 439777798), (20, 219888899), (853, 5155660), (1706, 2577830), (3412, 1288915), (4265, 1031132), (8530, 515566), (17060, 257783)]