5390720

素因数分解:

$2^7\times 5^1\times {\mathrm{8423}}^1$

素因数の和:8442

約数の個数: 32

約数和(自身を含む): 12888720

約数和(自身を除く): 7498000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 8423, 16846, 33692, 42115, 67384, 84230, 134768, 168460, 269536, 336920, 539072, 673840, 1078144, 1347680, 2695360, 5390720]

約数ペア:

[(1, 5390720), (2, 2695360), (4, 1347680), (5, 1078144), (8, 673840), (10, 539072), (16, 336920), (20, 269536), (32, 168460), (40, 134768), (64, 84230), (80, 67384), (128, 42115), (160, 33692), (320, 16846), (640, 8423)]