157394276440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{64505851}}^1$

素因数の和:64505923

約数の個数: 32

約数和(自身を含む): 359942654160

約数和(自身を除く): 202548377720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 64505851, 129011702, 258023404, 322529255, 516046808, 645058510, 1290117020, 2580234040, 3934856911, 7869713822, 15739427644, 19674284555, 31478855288, 39348569110, 78697138220, 157394276440]

約数ペア:

[(1, 157394276440), (2, 78697138220), (4, 39348569110), (5, 31478855288), (8, 19674284555), (10, 15739427644), (20, 7869713822), (40, 3934856911), (61, 2580234040), (122, 1290117020), (244, 645058510), (305, 516046808), (488, 322529255), (610, 258023404), (1220, 129011702), (2440, 64505851)]