79831120

素因数分解:

$2^4\times 5^1\times {\mathrm{997889}}^1$

素因数の和:997902

約数の個数: 20

約数和(自身を含む): 185607540

約数和(自身を除く): 105776420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997889, 1995778, 3991556, 4989445, 7983112, 9978890, 15966224, 19957780, 39915560, 79831120]

約数ペア:

[(1, 79831120), (2, 39915560), (4, 19957780), (5, 15966224), (8, 9978890), (10, 7983112), (16, 4989445), (20, 3991556), (40, 1995778), (80, 997889)]