4288640

素因数分解:

$2^7\times 5^1\times {\mathrm{6701}}^1$

素因数の和:6720

約数の個数: 32

約数和(自身を含む): 10254060

約数和(自身を除く): 5965420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 6701, 13402, 26804, 33505, 53608, 67010, 107216, 134020, 214432, 268040, 428864, 536080, 857728, 1072160, 2144320, 4288640]

約数ペア:

[(1, 4288640), (2, 2144320), (4, 1072160), (5, 857728), (8, 536080), (10, 428864), (16, 268040), (20, 214432), (32, 134020), (40, 107216), (64, 67010), (80, 53608), (128, 33505), (160, 26804), (320, 13402), (640, 6701)]