8284280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2917}}^1$

素因数の和:2999

約数の個数: 32

約数和(自身を含む): 18908640

約数和(自身を除く): 10624360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 2917, 5834, 11668, 14585, 23336, 29170, 58340, 116680, 207107, 414214, 828428, 1035535, 1656856, 2071070, 4142140, 8284280]

約数ペア:

[(1, 8284280), (2, 4142140), (4, 2071070), (5, 1656856), (8, 1035535), (10, 828428), (20, 414214), (40, 207107), (71, 116680), (142, 58340), (284, 29170), (355, 23336), (568, 14585), (710, 11668), (1420, 5834), (2840, 2917)]