72428540

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{10259}}^1$

素因数の和:10621

約数の個数: 24

約数和(自身を含む): 152545680

約数和(自身を除く): 80117140

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 10259, 20518, 41036, 51295, 102590, 205180, 3621427, 7242854, 14485708, 18107135, 36214270, 72428540]

約数ペア:

[(1, 72428540), (2, 36214270), (4, 18107135), (5, 14485708), (10, 7242854), (20, 3621427), (353, 205180), (706, 102590), (1412, 51295), (1765, 41036), (3530, 20518), (7060, 10259)]