40079860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25367}}^1$

素因数の和:25455

約数の個数: 24

約数和(自身を含む): 85236480

約数和(自身を除く): 45156620

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25367, 50734, 101468, 126835, 253670, 507340, 2003993, 4007986, 8015972, 10019965, 20039930, 40079860]

約数ペア:

[(1, 40079860), (2, 20039930), (4, 10019965), (5, 8015972), (10, 4007986), (20, 2003993), (79, 507340), (158, 253670), (316, 126835), (395, 101468), (790, 50734), (1580, 25367)]