19600625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{2851}}^1$

素因数の和:2882

約数の個数: 20

約数和(自身を含む): 26728944

約数和(自身を除く): 7128319

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 2851, 6875, 14255, 31361, 71275, 156805, 356375, 784025, 1781875, 3920125, 19600625]

約数ペア:

[(1, 19600625), (5, 3920125), (11, 1781875), (25, 784025), (55, 356375), (125, 156805), (275, 71275), (625, 31361), (1375, 14255), (2851, 6875)]