80482040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25469}}^1$

素因数の和:25559

約数の個数: 32

約数和(自身を含む): 183384000

約数和(自身を除く): 102901960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 25469, 50938, 101876, 127345, 203752, 254690, 509380, 1018760, 2012051, 4024102, 8048204, 10060255, 16096408, 20120510, 40241020, 80482040]

約数ペア:

[(1, 80482040), (2, 40241020), (4, 20120510), (5, 16096408), (8, 10060255), (10, 8048204), (20, 4024102), (40, 2012051), (79, 1018760), (158, 509380), (316, 254690), (395, 203752), (632, 127345), (790, 101876), (1580, 50938), (3160, 25469)]