388880540

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{52981}}^1$

素因数の和:53357

約数の個数: 24

約数和(自身を含む): 818889792

約数和(自身を除く): 430009252

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 52981, 105962, 211924, 264905, 529810, 1059620, 19444027, 38888054, 77776108, 97220135, 194440270, 388880540]

約数ペア:

[(1, 388880540), (2, 194440270), (4, 97220135), (5, 77776108), (10, 38888054), (20, 19444027), (367, 1059620), (734, 529810), (1468, 264905), (1835, 211924), (3670, 105962), (7340, 52981)]