781120

素因数分解:

$2^6\times 5^1\times {\mathrm{2441}}^1$

素因数の和:2458

約数の個数: 28

約数和(自身を含む): 1860804

約数和(自身を除く): 1079684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2441, 4882, 9764, 12205, 19528, 24410, 39056, 48820, 78112, 97640, 156224, 195280, 390560, 781120]

約数ペア:

[(1, 781120), (2, 390560), (4, 195280), (5, 156224), (8, 97640), (10, 78112), (16, 48820), (20, 39056), (32, 24410), (40, 19528), (64, 12205), (80, 9764), (160, 4882), (320, 2441)]