99813040

素因数分解:

$2^4\times 5^1\times {\mathrm{1247663}}^1$

素因数の和:1247676

約数の個数: 20

約数和(自身を含む): 232065504

約数和(自身を除く): 132252464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1247663, 2495326, 4990652, 6238315, 9981304, 12476630, 19962608, 24953260, 49906520, 99813040]

約数ペア:

[(1, 99813040), (2, 49906520), (4, 24953260), (5, 19962608), (8, 12476630), (10, 9981304), (16, 6238315), (20, 4990652), (40, 2495326), (80, 1247663)]