20187714080

素因数分解:

$2^5\times 5^1\times {\mathrm{4457}}^1\times {\mathrm{28309}}^1$

素因数の和:32781

約数の個数: 48

約数和(自身を含む): 47705860440

約数和(自身を除く): 27518146360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4457, 8914, 17828, 22285, 28309, 35656, 44570, 56618, 71312, 89140, 113236, 141545, 142624, 178280, 226472, 283090, 356560, 452944, 566180, 713120, 905888, 1132360, 2264720, 4529440, 126173213, 252346426, 504692852, 630866065, 1009385704, 1261732130, 2018771408, 2523464260, 4037542816, 5046928520, 10093857040, 20187714080]

約数ペア:

[(1, 20187714080), (2, 10093857040), (4, 5046928520), (5, 4037542816), (8, 2523464260), (10, 2018771408), (16, 1261732130), (20, 1009385704), (32, 630866065), (40, 504692852), (80, 252346426), (160, 126173213), (4457, 4529440), (8914, 2264720), (17828, 1132360), (22285, 905888), (28309, 713120), (35656, 566180), (44570, 452944), (56618, 356560), (71312, 283090), (89140, 226472), (113236, 178280), (141545, 142624)]