201432520

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{20063}}^1$

素因数の和:20325

約数の個数: 32

約数和(自身を含む): 455051520

約数和(自身を除く): 253619000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 20063, 40126, 80252, 100315, 160504, 200630, 401260, 802520, 5035813, 10071626, 20143252, 25179065, 40286504, 50358130, 100716260, 201432520]

約数ペア:

[(1, 201432520), (2, 100716260), (4, 50358130), (5, 40286504), (8, 25179065), (10, 20143252), (20, 10071626), (40, 5035813), (251, 802520), (502, 401260), (1004, 200630), (1255, 160504), (2008, 100315), (2510, 80252), (5020, 40126), (10040, 20063)]