1377920

素因数分解:

$2^7\times 5^1\times {\mathrm{2153}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 3295620

約数和(自身を除く): 1917700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2153, 4306, 8612, 10765, 17224, 21530, 34448, 43060, 68896, 86120, 137792, 172240, 275584, 344480, 688960, 1377920]

約数ペア:

[(1, 1377920), (2, 688960), (4, 344480), (5, 275584), (8, 172240), (10, 137792), (16, 86120), (20, 68896), (32, 43060), (40, 34448), (64, 21530), (80, 17224), (128, 10765), (160, 8612), (320, 4306), (640, 2153)]