4144375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:388

約数の個数: 20

約数和(自身を含む): 5467000

約数和(自身を除く): 1322625

約数列:

[1, 5, 19, 25, 95, 125, 349, 475, 625, 1745, 2375, 6631, 8725, 11875, 33155, 43625, 165775, 218125, 828875, 4144375]

約数ペア:

[(1, 4144375), (5, 828875), (19, 218125), (25, 165775), (95, 43625), (125, 33155), (349, 11875), (475, 8725), (625, 6631), (1745, 2375)]