31690640

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{827}}^1$

素因数の和:1319

約数の個数: 40

約数和(自身を含む): 73923840

約数和(自身を除く): 42233200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 827, 958, 1654, 1916, 2395, 3308, 3832, 4135, 4790, 6616, 7664, 8270, 9580, 13232, 16540, 19160, 33080, 38320, 66160, 396133, 792266, 1584532, 1980665, 3169064, 3961330, 6338128, 7922660, 15845320, 31690640]

約数ペア:

[(1, 31690640), (2, 15845320), (4, 7922660), (5, 6338128), (8, 3961330), (10, 3169064), (16, 1980665), (20, 1584532), (40, 792266), (80, 396133), (479, 66160), (827, 38320), (958, 33080), (1654, 19160), (1916, 16540), (2395, 13232), (3308, 9580), (3832, 8270), (4135, 7664), (4790, 6616)]