8800640

素因数分解:

$2^7\times 5^1\times {\mathrm{13751}}^1$

素因数の和:13770

約数の個数: 32

約数和(自身を含む): 21040560

約数和(自身を除く): 12239920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13751, 27502, 55004, 68755, 110008, 137510, 220016, 275020, 440032, 550040, 880064, 1100080, 1760128, 2200160, 4400320, 8800640]

約数ペア:

[(1, 8800640), (2, 4400320), (4, 2200160), (5, 1760128), (8, 1100080), (10, 880064), (16, 550040), (20, 440032), (32, 275020), (40, 220016), (64, 137510), (80, 110008), (128, 68755), (160, 55004), (320, 27502), (640, 13751)]