201016720

素因数分解:

$2^4\times 5^1\times {\mathrm{2512709}}^1$

素因数の和:2512722

約数の個数: 20

約数和(自身を含む): 467364060

約数和(自身を除く): 266347340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2512709, 5025418, 10050836, 12563545, 20101672, 25127090, 40203344, 50254180, 100508360, 201016720]

約数ペア:

[(1, 201016720), (2, 100508360), (4, 50254180), (5, 40203344), (8, 25127090), (10, 20101672), (16, 12563545), (20, 10050836), (40, 5025418), (80, 2512709)]