38655440

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1783}}^1$

素因数の和:2067

約数の個数: 40

約数和(自身を含む): 90256128

約数和(自身を除く): 51600688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 1783, 2168, 2710, 3566, 4336, 5420, 7132, 8915, 10840, 14264, 17830, 21680, 28528, 35660, 71320, 142640, 483193, 966386, 1932772, 2415965, 3865544, 4831930, 7731088, 9663860, 19327720, 38655440]

約数ペア:

[(1, 38655440), (2, 19327720), (4, 9663860), (5, 7731088), (8, 4831930), (10, 3865544), (16, 2415965), (20, 1932772), (40, 966386), (80, 483193), (271, 142640), (542, 71320), (1084, 35660), (1355, 28528), (1783, 21680), (2168, 17830), (2710, 14264), (3566, 10840), (4336, 8915), (5420, 7132)]