71359840

素因数分解:

$2^5\times 5^1\times {\mathrm{653}}^1\times {\mathrm{683}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 169093008

約数和(自身を除く): 97733168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 653, 683, 1306, 1366, 2612, 2732, 3265, 3415, 5224, 5464, 6530, 6830, 10448, 10928, 13060, 13660, 20896, 21856, 26120, 27320, 52240, 54640, 104480, 109280, 445999, 891998, 1783996, 2229995, 3567992, 4459990, 7135984, 8919980, 14271968, 17839960, 35679920, 71359840]

約数ペア:

[(1, 71359840), (2, 35679920), (4, 17839960), (5, 14271968), (8, 8919980), (10, 7135984), (16, 4459990), (20, 3567992), (32, 2229995), (40, 1783996), (80, 891998), (160, 445999), (653, 109280), (683, 104480), (1306, 54640), (1366, 52240), (2612, 27320), (2732, 26120), (3265, 21856), (3415, 20896), (5224, 13660), (5464, 13060), (6530, 10928), (6830, 10448)]