68682640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66041}}^1$

素因数の和:66067

約数の個数: 40

約数和(自身を含む): 171973368

約数和(自身を除く): 103290728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 66041, 132082, 264164, 330205, 528328, 660410, 858533, 1056656, 1320820, 1717066, 2641640, 3434132, 4292665, 5283280, 6868264, 8585330, 13736528, 17170660, 34341320, 68682640]

約数ペア:

[(1, 68682640), (2, 34341320), (4, 17170660), (5, 13736528), (8, 8585330), (10, 6868264), (13, 5283280), (16, 4292665), (20, 3434132), (26, 2641640), (40, 1717066), (52, 1320820), (65, 1056656), (80, 858533), (104, 660410), (130, 528328), (208, 330205), (260, 264164), (520, 132082), (1040, 66041)]