4444375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:580

約数の個数: 20

約数和(自身を含む): 5991832

約数和(自身を除く): 1547457

約数列:

[1, 5, 13, 25, 65, 125, 325, 547, 625, 1625, 2735, 7111, 8125, 13675, 35555, 68375, 177775, 341875, 888875, 4444375]

約数ペア:

[(1, 4444375), (5, 888875), (13, 341875), (25, 177775), (65, 68375), (125, 35555), (325, 13675), (547, 8125), (625, 7111), (1625, 2735)]