4980625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:646

約数の個数: 20

約数和(自身を含む): 6713476

約数和(自身を除く): 1732851

約数列:

[1, 5, 13, 25, 65, 125, 325, 613, 625, 1625, 3065, 7969, 8125, 15325, 39845, 76625, 199225, 383125, 996125, 4980625]

約数ペア:

[(1, 4980625), (5, 996125), (13, 383125), (25, 199225), (65, 76625), (125, 39845), (325, 15325), (613, 8125), (625, 7969), (1625, 3065)]