40568720

素因数分解:

$2^4\times 5^1\times {\mathrm{507109}}^1$

素因数の和:507122

約数の個数: 20

約数和(自身を含む): 94322460

約数和(自身を除く): 53753740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 507109, 1014218, 2028436, 2535545, 4056872, 5071090, 8113744, 10142180, 20284360, 40568720]

約数ペア:

[(1, 40568720), (2, 20284360), (4, 10142180), (5, 8113744), (8, 5071090), (10, 4056872), (16, 2535545), (20, 2028436), (40, 1014218), (80, 507109)]