39780055

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{14387}}^1$

素因数の和:14478

約数の個数: 16

約数和(自身を含む): 55249920

約数和(自身を除く): 15469865

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 14387, 71935, 100709, 503545, 1136573, 5682865, 7956011, 39780055]

約数ペア:

[(1, 39780055), (5, 7956011), (7, 5682865), (35, 1136573), (79, 503545), (395, 100709), (553, 71935), (2765, 14387)]