68711320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{32411}}^1$

素因数の和:32475

約数の個数: 32

約数和(自身を含む): 157522320

約数和(自身を除く): 88811000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 32411, 64822, 129644, 162055, 259288, 324110, 648220, 1296440, 1717783, 3435566, 6871132, 8588915, 13742264, 17177830, 34355660, 68711320]

約数ペア:

[(1, 68711320), (2, 34355660), (4, 17177830), (5, 13742264), (8, 8588915), (10, 6871132), (20, 3435566), (40, 1717783), (53, 1296440), (106, 648220), (212, 324110), (265, 259288), (424, 162055), (530, 129644), (1060, 64822), (2120, 32411)]