80206672

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1836

約数の個数: 80

約数和(自身を含む): 197542912

約数和(自身を除く): 117336240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 1777, 2821, 3224, 3472, 3554, 5642, 6448, 7108, 11284, 12439, 14216, 22568, 23101, 24878, 28432, 45136, 46202, 49756, 55087, 92404, 99512, 110174, 161707, 184808, 199024, 220348, 323414, 369616, 385609, 440696, 646828, 716131, 771218, 881392, 1293656, 1432262, 1542436, 2587312, 2864524, 3084872, 5012917, 5729048, 6169744, 10025834, 11458096, 20051668, 40103336, 80206672]

約数ペア:

[(1, 80206672), (2, 40103336), (4, 20051668), (7, 11458096), (8, 10025834), (13, 6169744), (14, 5729048), (16, 5012917), (26, 3084872), (28, 2864524), (31, 2587312), (52, 1542436), (56, 1432262), (62, 1293656), (91, 881392), (104, 771218), (112, 716131), (124, 646828), (182, 440696), (208, 385609), (217, 369616), (248, 323414), (364, 220348), (403, 199024), (434, 184808), (496, 161707), (728, 110174), (806, 99512), (868, 92404), (1456, 55087), (1612, 49756), (1736, 46202), (1777, 45136), (2821, 28432), (3224, 24878), (3472, 23101), (3554, 22568), (5642, 14216), (6448, 12439), (7108, 11284)]