65310880

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5167}}^1$

素因数の和:5261

約数の個数: 48

約数和(自身を含む): 156280320

約数和(自身を除く): 90969440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 5167, 6320, 10334, 12640, 20668, 25835, 41336, 51670, 82672, 103340, 165344, 206680, 408193, 413360, 816386, 826720, 1632772, 2040965, 3265544, 4081930, 6531088, 8163860, 13062176, 16327720, 32655440, 65310880]

約数ペア:

[(1, 65310880), (2, 32655440), (4, 16327720), (5, 13062176), (8, 8163860), (10, 6531088), (16, 4081930), (20, 3265544), (32, 2040965), (40, 1632772), (79, 826720), (80, 816386), (158, 413360), (160, 408193), (316, 206680), (395, 165344), (632, 103340), (790, 82672), (1264, 51670), (1580, 41336), (2528, 25835), (3160, 20668), (5167, 12640), (6320, 10334)]