139989440

素因数分解:

$2^6\times 5^1\times {\mathrm{437467}}^1$

素因数の和:437484

約数の個数: 28

約数和(自身を含む): 333350616

約数和(自身を除く): 193361176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 437467, 874934, 1749868, 2187335, 3499736, 4374670, 6999472, 8749340, 13998944, 17498680, 27997888, 34997360, 69994720, 139989440]

約数ペア:

[(1, 139989440), (2, 69994720), (4, 34997360), (5, 27997888), (8, 17498680), (10, 13998944), (16, 8749340), (20, 6999472), (32, 4374670), (40, 3499736), (64, 2187335), (80, 1749868), (160, 874934), (320, 437467)]