131654560

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7549}}^1$

素因数の和:7673

約数の個数: 48

約数和(自身を含む): 313929000

約数和(自身を除く): 182274440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 7549, 8720, 15098, 17440, 30196, 37745, 60392, 75490, 120784, 150980, 241568, 301960, 603920, 822841, 1207840, 1645682, 3291364, 4114205, 6582728, 8228410, 13165456, 16456820, 26330912, 32913640, 65827280, 131654560]

約数ペア:

[(1, 131654560), (2, 65827280), (4, 32913640), (5, 26330912), (8, 16456820), (10, 13165456), (16, 8228410), (20, 6582728), (32, 4114205), (40, 3291364), (80, 1645682), (109, 1207840), (160, 822841), (218, 603920), (436, 301960), (545, 241568), (872, 150980), (1090, 120784), (1744, 75490), (2180, 60392), (3488, 37745), (4360, 30196), (7549, 17440), (8720, 15098)]