65468560

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6247}}^1$

素因数の和:6391

約数の個数: 40

約数和(自身を含む): 153400896

約数和(自身を除く): 87932336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 6247, 10480, 12494, 24988, 31235, 49976, 62470, 99952, 124940, 249880, 499760, 818357, 1636714, 3273428, 4091785, 6546856, 8183570, 13093712, 16367140, 32734280, 65468560]

約数ペア:

[(1, 65468560), (2, 32734280), (4, 16367140), (5, 13093712), (8, 8183570), (10, 6546856), (16, 4091785), (20, 3273428), (40, 1636714), (80, 818357), (131, 499760), (262, 249880), (524, 124940), (655, 99952), (1048, 62470), (1310, 49976), (2096, 31235), (2620, 24988), (5240, 12494), (6247, 10480)]