4480640

素因数分解:

$2^7\times 5^1\times {\mathrm{7001}}^1$

素因数の和:7020

約数の個数: 32

約数和(自身を含む): 10713060

約数和(自身を除く): 6232420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 7001, 14002, 28004, 35005, 56008, 70010, 112016, 140020, 224032, 280040, 448064, 560080, 896128, 1120160, 2240320, 4480640]

約数ペア:

[(1, 4480640), (2, 2240320), (4, 1120160), (5, 896128), (8, 560080), (10, 448064), (16, 280040), (20, 224032), (32, 140020), (40, 112016), (64, 70010), (80, 56008), (128, 35005), (160, 28004), (320, 14002), (640, 7001)]