80547428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 166386528

約数和(自身を除く): 85839100

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 163, 169, 172, 221, 326, 338, 442, 559, 652, 676, 731, 884, 1118, 1462, 2119, 2236, 2771, 2873, 2924, 4238, 5542, 5746, 7009, 7267, 8476, 9503, 11084, 11492, 14018, 14534, 19006, 27547, 28036, 29068, 36023, 38012, 55094, 72046, 91117, 110188, 119153, 123539, 144092, 182234, 238306, 247078, 364468, 468299, 476612, 494156, 936598, 1184521, 1548989, 1873196, 2369042, 3097978, 4738084, 6195956, 20136857, 40273714, 80547428]

約数ペア:

[(1, 80547428), (2, 40273714), (4, 20136857), (13, 6195956), (17, 4738084), (26, 3097978), (34, 2369042), (43, 1873196), (52, 1548989), (68, 1184521), (86, 936598), (163, 494156), (169, 476612), (172, 468299), (221, 364468), (326, 247078), (338, 238306), (442, 182234), (559, 144092), (652, 123539), (676, 119153), (731, 110188), (884, 91117), (1118, 72046), (1462, 55094), (2119, 38012), (2236, 36023), (2771, 29068), (2873, 28036), (2924, 27547), (4238, 19006), (5542, 14534), (5746, 14018), (7009, 11492), (7267, 11084), (8476, 9503)]