80488016

素因数分解:

$2^4\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1637}}^1$

素因数の和:2091

約数の個数: 40

約数和(自身を含む): 178738560

約数和(自身を除く): 98250544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 439, 878, 1637, 1756, 3073, 3274, 3512, 6146, 6548, 7024, 11459, 12292, 13096, 22918, 24584, 26192, 45836, 49168, 91672, 183344, 718643, 1437286, 2874572, 5030501, 5749144, 10061002, 11498288, 20122004, 40244008, 80488016]

約数ペア:

[(1, 80488016), (2, 40244008), (4, 20122004), (7, 11498288), (8, 10061002), (14, 5749144), (16, 5030501), (28, 2874572), (56, 1437286), (112, 718643), (439, 183344), (878, 91672), (1637, 49168), (1756, 45836), (3073, 26192), (3274, 24584), (3512, 22918), (6146, 13096), (6548, 12292), (7024, 11459)]