121080560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21317}}^1$

素因数の和:21401

約数の個数: 40

約数和(自身を含む): 285490656

約数和(自身を除く): 164410096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 21317, 42634, 85268, 106585, 170536, 213170, 341072, 426340, 852680, 1513507, 1705360, 3027014, 6054028, 7567535, 12108056, 15135070, 24216112, 30270140, 60540280, 121080560]

約数ペア:

[(1, 121080560), (2, 60540280), (4, 30270140), (5, 24216112), (8, 15135070), (10, 12108056), (16, 7567535), (20, 6054028), (40, 3027014), (71, 1705360), (80, 1513507), (142, 852680), (284, 426340), (355, 341072), (568, 213170), (710, 170536), (1136, 106585), (1420, 85268), (2840, 42634), (5680, 21317)]