71078380

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13513}}^1$

素因数の和:13785

約数の個数: 24

約数和(自身を含む): 149843232

約数和(自身を除く): 78764852

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 13513, 27026, 54052, 67565, 135130, 270260, 3553919, 7107838, 14215676, 17769595, 35539190, 71078380]

約数ペア:

[(1, 71078380), (2, 35539190), (4, 17769595), (5, 14215676), (10, 7107838), (20, 3553919), (263, 270260), (526, 135130), (1052, 67565), (1315, 54052), (2630, 27026), (5260, 13513)]