77888910620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{40148923}}^1$

素因数の和:40149029

約数の個数: 24

約数和(自身を含む): 165252971184

約数和(自身を除く): 87364060564

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 40148923, 80297846, 160595692, 200744615, 401489230, 802978460, 3894445531, 7788891062, 15577782124, 19472227655, 38944455310, 77888910620]

約数ペア:

[(1, 77888910620), (2, 38944455310), (4, 19472227655), (5, 15577782124), (10, 7788891062), (20, 3894445531), (97, 802978460), (194, 401489230), (388, 200744615), (485, 160595692), (970, 80297846), (1940, 40148923)]