8116720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1513

約数の個数: 40

約数和(自身を含む): 19150560

約数和(自身を除く): 11033840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1429, 2840, 2858, 5680, 5716, 7145, 11432, 14290, 22864, 28580, 57160, 101459, 114320, 202918, 405836, 507295, 811672, 1014590, 1623344, 2029180, 4058360, 8116720]

約数ペア:

[(1, 8116720), (2, 4058360), (4, 2029180), (5, 1623344), (8, 1014590), (10, 811672), (16, 507295), (20, 405836), (40, 202918), (71, 114320), (80, 101459), (142, 57160), (284, 28580), (355, 22864), (568, 14290), (710, 11432), (1136, 7145), (1420, 5716), (1429, 5680), (2840, 2858)]