12750425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 17632800

約数和(自身を除く): 4882375

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1579, 1615, 7895, 8075, 26843, 30001, 39475, 134215, 150005, 510017, 671075, 750025, 2550085, 12750425]

約数ペア:

[(1, 12750425), (5, 2550085), (17, 750025), (19, 671075), (25, 510017), (85, 150005), (95, 134215), (323, 39475), (425, 30001), (475, 26843), (1579, 8075), (1615, 7895)]