109391320

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{17419}}^1$

素因数の和:17587

約数の個数: 32

約数和(自身を含む): 247712400

約数和(自身を除く): 138321080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 17419, 34838, 69676, 87095, 139352, 174190, 348380, 696760, 2734783, 5469566, 10939132, 13673915, 21878264, 27347830, 54695660, 109391320]

約数ペア:

[(1, 109391320), (2, 54695660), (4, 27347830), (5, 21878264), (8, 13673915), (10, 10939132), (20, 5469566), (40, 2734783), (157, 696760), (314, 348380), (628, 174190), (785, 139352), (1256, 87095), (1570, 69676), (3140, 34838), (6280, 17419)]