61640120

素因数分解:

$2^3\times 5^1\times {\mathrm{1541003}}^1$

素因数の和:1541014

約数の個数: 16

約数和(自身を含む): 138690360

約数和(自身を除く): 77050240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1541003, 3082006, 6164012, 7705015, 12328024, 15410030, 30820060, 61640120]

約数ペア:

[(1, 61640120), (2, 30820060), (4, 15410030), (5, 12328024), (8, 7705015), (10, 6164012), (20, 3082006), (40, 1541003)]