260080705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{19489}}^1$

素因数の和:19668

約数の個数: 16

約数和(自身を含む): 332577360

約数和(自身を除く): 72496655

約数列:

[1, 5, 17, 85, 157, 785, 2669, 13345, 19489, 97445, 331313, 1656565, 3059773, 15298865, 52016141, 260080705]

約数ペア:

[(1, 260080705), (5, 52016141), (17, 15298865), (85, 3059773), (157, 1656565), (785, 331313), (2669, 97445), (13345, 19489)]