71915320

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9413}}^1$

素因数の和:9615

約数の個数: 32

約数和(自身を含む): 162673920

約数和(自身を除く): 90758600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 9413, 18826, 37652, 47065, 75304, 94130, 188260, 376520, 1797883, 3595766, 7191532, 8989415, 14383064, 17978830, 35957660, 71915320]

約数ペア:

[(1, 71915320), (2, 35957660), (4, 17978830), (5, 14383064), (8, 8989415), (10, 7191532), (20, 3595766), (40, 1797883), (191, 376520), (382, 188260), (764, 94130), (955, 75304), (1528, 47065), (1910, 37652), (3820, 18826), (7640, 9413)]