62728720

素因数分解:

$2^4\times 5^1\times {\mathrm{784109}}^1$

素因数の和:784122

約数の個数: 20

約数和(自身を含む): 145844460

約数和(自身を除く): 83115740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 784109, 1568218, 3136436, 3920545, 6272872, 7841090, 12545744, 15682180, 31364360, 62728720]

約数ペア:

[(1, 62728720), (2, 31364360), (4, 15682180), (5, 12545744), (8, 7841090), (10, 6272872), (16, 3920545), (20, 3136436), (40, 1568218), (80, 784109)]