28213360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 75995136

約数和(自身を除く): 47781776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 607, 664, 830, 1162, 1214, 1328, 1660, 2324, 2428, 2905, 3035, 3320, 4249, 4648, 4856, 5810, 6070, 6640, 8498, 9296, 9712, 11620, 12140, 16996, 21245, 23240, 24280, 33992, 42490, 46480, 48560, 50381, 67984, 84980, 100762, 169960, 201524, 251905, 339920, 352667, 403048, 503810, 705334, 806096, 1007620, 1410668, 1763335, 2015240, 2821336, 3526670, 4030480, 5642672, 7053340, 14106680, 28213360]

約数ペア:

[(1, 28213360), (2, 14106680), (4, 7053340), (5, 5642672), (7, 4030480), (8, 3526670), (10, 2821336), (14, 2015240), (16, 1763335), (20, 1410668), (28, 1007620), (35, 806096), (40, 705334), (56, 503810), (70, 403048), (80, 352667), (83, 339920), (112, 251905), (140, 201524), (166, 169960), (280, 100762), (332, 84980), (415, 67984), (560, 50381), (581, 48560), (607, 46480), (664, 42490), (830, 33992), (1162, 24280), (1214, 23240), (1328, 21245), (1660, 16996), (2324, 12140), (2428, 11620), (2905, 9712), (3035, 9296), (3320, 8498), (4249, 6640), (4648, 6070), (4856, 5810)]