13726960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 35060256

約数和(自身を除く): 21333296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 197, 208, 260, 268, 335, 394, 520, 536, 670, 788, 871, 985, 1040, 1072, 1340, 1576, 1742, 1970, 2561, 2680, 3152, 3484, 3940, 4355, 5122, 5360, 6968, 7880, 8710, 10244, 12805, 13199, 13936, 15760, 17420, 20488, 25610, 26398, 34840, 40976, 51220, 52796, 65995, 69680, 102440, 105592, 131990, 171587, 204880, 211184, 263980, 343174, 527960, 686348, 857935, 1055920, 1372696, 1715870, 2745392, 3431740, 6863480, 13726960]

約数ペア:

[(1, 13726960), (2, 6863480), (4, 3431740), (5, 2745392), (8, 1715870), (10, 1372696), (13, 1055920), (16, 857935), (20, 686348), (26, 527960), (40, 343174), (52, 263980), (65, 211184), (67, 204880), (80, 171587), (104, 131990), (130, 105592), (134, 102440), (197, 69680), (208, 65995), (260, 52796), (268, 51220), (335, 40976), (394, 34840), (520, 26398), (536, 25610), (670, 20488), (788, 17420), (871, 15760), (985, 13936), (1040, 13199), (1072, 12805), (1340, 10244), (1576, 8710), (1742, 7880), (1970, 6968), (2561, 5360), (2680, 5122), (3152, 4355), (3484, 3940)]