16400720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29287}}^1$

素因数の和:29307

約数の個数: 40

約数和(自身を含む): 43580544

約数和(自身を除く): 27179824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 29287, 58574, 117148, 146435, 205009, 234296, 292870, 410018, 468592, 585740, 820036, 1025045, 1171480, 1640072, 2050090, 2342960, 3280144, 4100180, 8200360, 16400720]

約数ペア:

[(1, 16400720), (2, 8200360), (4, 4100180), (5, 3280144), (7, 2342960), (8, 2050090), (10, 1640072), (14, 1171480), (16, 1025045), (20, 820036), (28, 585740), (35, 468592), (40, 410018), (56, 292870), (70, 234296), (80, 205009), (112, 146435), (140, 117148), (280, 58574), (560, 29287)]