38402500

素因数分解:

$2^2\times 5^4\times {\mathrm{15361}}^1$

素因数の和:15385

約数の個数: 30

約数和(自身を含む): 83984054

約数和(自身を除く): 45581554

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 15361, 30722, 61444, 76805, 153610, 307220, 384025, 768050, 1536100, 1920125, 3840250, 7680500, 9600625, 19201250, 38402500]

約数ペア:

[(1, 38402500), (2, 19201250), (4, 9600625), (5, 7680500), (10, 3840250), (20, 1920125), (25, 1536100), (50, 768050), (100, 384025), (125, 307220), (250, 153610), (500, 76805), (625, 61444), (1250, 30722), (2500, 15361)]