17204560

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1973}}^1$

素因数の和:2095

約数の個数: 40

約数和(自身を含む): 40388040

約数和(自身を除く): 23183480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 1973, 2180, 3946, 4360, 7892, 8720, 9865, 15784, 19730, 31568, 39460, 78920, 157840, 215057, 430114, 860228, 1075285, 1720456, 2150570, 3440912, 4301140, 8602280, 17204560]

約数ペア:

[(1, 17204560), (2, 8602280), (4, 4301140), (5, 3440912), (8, 2150570), (10, 1720456), (16, 1075285), (20, 860228), (40, 430114), (80, 215057), (109, 157840), (218, 78920), (436, 39460), (545, 31568), (872, 19730), (1090, 15784), (1744, 9865), (1973, 8720), (2180, 7892), (3946, 4360)]