78390260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{301501}}^1$

素因数の和:301523

約数の個数: 24

約数和(自身を含む): 177283176

約数和(自身を除く): 98892916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 301501, 603002, 1206004, 1507505, 3015010, 3919513, 6030020, 7839026, 15678052, 19597565, 39195130, 78390260]

約数ペア:

[(1, 78390260), (2, 39195130), (4, 19597565), (5, 15678052), (10, 7839026), (13, 6030020), (20, 3919513), (26, 3015010), (52, 1507505), (65, 1206004), (130, 603002), (260, 301501)]