201623560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{117223}}^1$

素因数の和:117277

約数の個数: 32

約数和(自身を含む): 464207040

約数和(自身を除く): 262583480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 117223, 234446, 468892, 586115, 937784, 1172230, 2344460, 4688920, 5040589, 10081178, 20162356, 25202945, 40324712, 50405890, 100811780, 201623560]

約数ペア:

[(1, 201623560), (2, 100811780), (4, 50405890), (5, 40324712), (8, 25202945), (10, 20162356), (20, 10081178), (40, 5040589), (43, 4688920), (86, 2344460), (172, 1172230), (215, 937784), (344, 586115), (430, 468892), (860, 234446), (1720, 117223)]