80489920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{35933}}^1$

素因数の和:35957

約数の個数: 56

約数和(自身を含む): 219053664

約数和(自身を除く): 138563744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 35933, 71866, 143732, 179665, 251531, 287464, 359330, 503062, 574928, 718660, 1006124, 1149856, 1257655, 1437320, 2012248, 2299712, 2515310, 2874640, 4024496, 5030620, 5749280, 8048992, 10061240, 11498560, 16097984, 20122480, 40244960, 80489920]

約数ペア:

[(1, 80489920), (2, 40244960), (4, 20122480), (5, 16097984), (7, 11498560), (8, 10061240), (10, 8048992), (14, 5749280), (16, 5030620), (20, 4024496), (28, 2874640), (32, 2515310), (35, 2299712), (40, 2012248), (56, 1437320), (64, 1257655), (70, 1149856), (80, 1006124), (112, 718660), (140, 574928), (160, 503062), (224, 359330), (280, 287464), (320, 251531), (448, 179665), (560, 143732), (1120, 71866), (2240, 35933)]