68423920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6529}}^1$

素因数の和:6673

約数の個数: 40

約数和(自身を含む): 160324560

約数和(自身を除く): 91900640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 6529, 10480, 13058, 26116, 32645, 52232, 65290, 104464, 130580, 261160, 522320, 855299, 1710598, 3421196, 4276495, 6842392, 8552990, 13684784, 17105980, 34211960, 68423920]

約数ペア:

[(1, 68423920), (2, 34211960), (4, 17105980), (5, 13684784), (8, 8552990), (10, 6842392), (16, 4276495), (20, 3421196), (40, 1710598), (80, 855299), (131, 522320), (262, 261160), (524, 130580), (655, 104464), (1048, 65290), (1310, 52232), (2096, 32645), (2620, 26116), (5240, 13058), (6529, 10480)]