2664508720

素因数分解:

$2^4\times 5^1\times {\mathrm{33306359}}^1$

素因数の和:33306372

約数の個数: 20

約数和(自身を含む): 6194982960

約数和(自身を除く): 3530474240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33306359, 66612718, 133225436, 166531795, 266450872, 333063590, 532901744, 666127180, 1332254360, 2664508720]

約数ペア:

[(1, 2664508720), (2, 1332254360), (4, 666127180), (5, 532901744), (8, 333063590), (10, 266450872), (16, 166531795), (20, 133225436), (40, 66612718), (80, 33306359)]