31850260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122501}}^1$

素因数の和:122523

約数の個数: 24

約数和(自身を含む): 72031176

約数和(自身を除く): 40180916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 122501, 245002, 490004, 612505, 1225010, 1592513, 2450020, 3185026, 6370052, 7962565, 15925130, 31850260]

約数ペア:

[(1, 31850260), (2, 15925130), (4, 7962565), (5, 6370052), (10, 3185026), (13, 2450020), (20, 1592513), (26, 1225010), (52, 612505), (65, 490004), (130, 245002), (260, 122501)]