201481640

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{10343}}^1$

素因数の和:10841

約数の個数: 32

約数和(自身を含む): 454308480

約数和(自身を除く): 252826840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9740, 10343, 19480, 20686, 41372, 51715, 82744, 103430, 206860, 413720, 5037041, 10074082, 20148164, 25185205, 40296328, 50370410, 100740820, 201481640]

約数ペア:

[(1, 201481640), (2, 100740820), (4, 50370410), (5, 40296328), (8, 25185205), (10, 20148164), (20, 10074082), (40, 5037041), (487, 413720), (974, 206860), (1948, 103430), (2435, 82744), (3896, 51715), (4870, 41372), (9740, 20686), (10343, 19480)]