30806875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{4481}}^1$

素因数の和:4512

約数の個数: 20

約数和(自身を含む): 42005304

約数和(自身を除く): 11198429

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 4481, 6875, 22405, 49291, 112025, 246455, 560125, 1232275, 2800625, 6161375, 30806875]

約数ペア:

[(1, 30806875), (5, 6161375), (11, 2800625), (25, 1232275), (55, 560125), (125, 246455), (275, 112025), (625, 49291), (1375, 22405), (4481, 6875)]