80398976

素因数分解:

$2^7\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1553

約数の個数: 64

約数和(自身を含む): 186178560

約数和(自身を除く): 105779584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 427, 448, 488, 854, 896, 976, 1471, 1708, 1952, 2942, 3416, 3904, 5884, 6832, 7808, 10297, 11768, 13664, 20594, 23536, 27328, 41188, 47072, 54656, 82376, 89731, 94144, 164752, 179462, 188288, 329504, 358924, 628117, 659008, 717848, 1256234, 1318016, 1435696, 2512468, 2871392, 5024936, 5742784, 10049872, 11485568, 20099744, 40199488, 80398976]

約数ペア:

[(1, 80398976), (2, 40199488), (4, 20099744), (7, 11485568), (8, 10049872), (14, 5742784), (16, 5024936), (28, 2871392), (32, 2512468), (56, 1435696), (61, 1318016), (64, 1256234), (112, 717848), (122, 659008), (128, 628117), (224, 358924), (244, 329504), (427, 188288), (448, 179462), (488, 164752), (854, 94144), (896, 89731), (976, 82376), (1471, 54656), (1708, 47072), (1952, 41188), (2942, 27328), (3416, 23536), (3904, 20594), (5884, 13664), (6832, 11768), (7808, 10297)]