2564407792

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 5260806144

約数和(自身を除く): 2696398352

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 131, 244, 248, 262, 488, 496, 524, 647, 976, 1048, 1294, 1891, 2096, 2588, 3782, 4061, 5176, 7564, 7991, 8122, 10352, 15128, 15982, 16244, 20057, 30256, 31964, 32488, 39467, 40114, 63928, 64976, 78934, 80228, 84757, 127856, 157868, 160456, 169514, 247721, 315736, 320912, 339028, 495442, 631472, 678056, 990884, 1223477, 1356112, 1981768, 2446954, 2627467, 3963536, 4893908, 5170177, 5254934, 9787816, 10340354, 10509868, 19575632, 20680708, 21019736, 41361416, 42039472, 82722832, 160275487, 320550974, 641101948, 1282203896, 2564407792]

約数ペア:

[(1, 2564407792), (2, 1282203896), (4, 641101948), (8, 320550974), (16, 160275487), (31, 82722832), (61, 42039472), (62, 41361416), (122, 21019736), (124, 20680708), (131, 19575632), (244, 10509868), (248, 10340354), (262, 9787816), (488, 5254934), (496, 5170177), (524, 4893908), (647, 3963536), (976, 2627467), (1048, 2446954), (1294, 1981768), (1891, 1356112), (2096, 1223477), (2588, 990884), (3782, 678056), (4061, 631472), (5176, 495442), (7564, 339028), (7991, 320912), (8122, 315736), (10352, 247721), (15128, 169514), (15982, 160456), (16244, 157868), (20057, 127856), (30256, 84757), (31964, 80228), (32488, 78934), (39467, 64976), (40114, 63928)]