201944440

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{10037}}^1$

素因数の和:10551

約数の個数: 32

約数和(自身を含む): 455323680

約数和(自身を除く): 253379240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10037, 10060, 20074, 20120, 40148, 50185, 80296, 100370, 200740, 401480, 5048611, 10097222, 20194444, 25243055, 40388888, 50486110, 100972220, 201944440]

約数ペア:

[(1, 201944440), (2, 100972220), (4, 50486110), (5, 40388888), (8, 25243055), (10, 20194444), (20, 10097222), (40, 5048611), (503, 401480), (1006, 200740), (2012, 100370), (2515, 80296), (4024, 50185), (5030, 40148), (10037, 20120), (10060, 20074)]