206650000

素因数分解:

$2^4\times 5^5\times {\mathrm{4133}}^1$

素因数の和:4166

約数の個数: 60

約数和(自身を含む): 500569524

約数和(自身を除く): 293919524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 3125, 4133, 5000, 6250, 8266, 10000, 12500, 16532, 20665, 25000, 33064, 41330, 50000, 66128, 82660, 103325, 165320, 206650, 330640, 413300, 516625, 826600, 1033250, 1653200, 2066500, 2583125, 4133000, 5166250, 8266000, 10332500, 12915625, 20665000, 25831250, 41330000, 51662500, 103325000, 206650000]

約数ペア:

[(1, 206650000), (2, 103325000), (4, 51662500), (5, 41330000), (8, 25831250), (10, 20665000), (16, 12915625), (20, 10332500), (25, 8266000), (40, 5166250), (50, 4133000), (80, 2583125), (100, 2066500), (125, 1653200), (200, 1033250), (250, 826600), (400, 516625), (500, 413300), (625, 330640), (1000, 206650), (1250, 165320), (2000, 103325), (2500, 82660), (3125, 66128), (4133, 50000), (5000, 41330), (6250, 33064), (8266, 25000), (10000, 20665), (12500, 16532)]