1938640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2203}}^1$

素因数の和:2227

約数の個数: 40

約数和(自身を含む): 4919328

約数和(自身を除く): 2980688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2203, 4406, 8812, 11015, 17624, 22030, 24233, 35248, 44060, 48466, 88120, 96932, 121165, 176240, 193864, 242330, 387728, 484660, 969320, 1938640]

約数ペア:

[(1, 1938640), (2, 969320), (4, 484660), (5, 387728), (8, 242330), (10, 193864), (11, 176240), (16, 121165), (20, 96932), (22, 88120), (40, 48466), (44, 44060), (55, 35248), (80, 24233), (88, 22030), (110, 17624), (176, 11015), (220, 8812), (440, 4406), (880, 2203)]