65419280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 161656320

約数和(自身を除く): 96237040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 193, 223, 304, 380, 386, 446, 760, 772, 892, 965, 1115, 1520, 1544, 1784, 1930, 2230, 3088, 3568, 3667, 3860, 4237, 4460, 7334, 7720, 8474, 8920, 14668, 15440, 16948, 17840, 18335, 21185, 29336, 33896, 36670, 42370, 43039, 58672, 67792, 73340, 84740, 86078, 146680, 169480, 172156, 215195, 293360, 338960, 344312, 430390, 688624, 817741, 860780, 1635482, 1721560, 3270964, 3443120, 4088705, 6541928, 8177410, 13083856, 16354820, 32709640, 65419280]

約数ペア:

[(1, 65419280), (2, 32709640), (4, 16354820), (5, 13083856), (8, 8177410), (10, 6541928), (16, 4088705), (19, 3443120), (20, 3270964), (38, 1721560), (40, 1635482), (76, 860780), (80, 817741), (95, 688624), (152, 430390), (190, 344312), (193, 338960), (223, 293360), (304, 215195), (380, 172156), (386, 169480), (446, 146680), (760, 86078), (772, 84740), (892, 73340), (965, 67792), (1115, 58672), (1520, 43039), (1544, 42370), (1784, 36670), (1930, 33896), (2230, 29336), (3088, 21185), (3568, 18335), (3667, 17840), (3860, 16948), (4237, 15440), (4460, 14668), (7334, 8920), (7720, 8474)]