79915780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{570827}}^1$

素因数の和:570843

約数の個数: 24

約数和(自身を含む): 191798208

約数和(自身を除く): 111882428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 570827, 1141654, 2283308, 2854135, 3995789, 5708270, 7991578, 11416540, 15983156, 19978945, 39957890, 79915780]

約数ペア:

[(1, 79915780), (2, 39957890), (4, 19978945), (5, 15983156), (7, 11416540), (10, 7991578), (14, 5708270), (20, 3995789), (28, 2854135), (35, 2283308), (70, 1141654), (140, 570827)]