25048465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 33531624

約数和(自身を除く): 8483159

約数列:

[1, 5, 13, 31, 65, 155, 401, 403, 961, 2005, 2015, 4805, 5213, 12431, 12493, 26065, 62155, 62465, 161603, 385361, 808015, 1926805, 5009693, 25048465]

約数ペア:

[(1, 25048465), (5, 5009693), (13, 1926805), (31, 808015), (65, 385361), (155, 161603), (401, 62465), (403, 62155), (961, 26065), (2005, 12493), (2015, 12431), (4805, 5213)]