31913840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56989}}^1$

素因数の和:57009

約数の個数: 40

約数和(自身を含む): 84801120

約数和(自身を除く): 52887280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56989, 113978, 227956, 284945, 398923, 455912, 569890, 797846, 911824, 1139780, 1595692, 1994615, 2279560, 3191384, 3989230, 4559120, 6382768, 7978460, 15956920, 31913840]

約数ペア:

[(1, 31913840), (2, 15956920), (4, 7978460), (5, 6382768), (7, 4559120), (8, 3989230), (10, 3191384), (14, 2279560), (16, 1994615), (20, 1595692), (28, 1139780), (35, 911824), (40, 797846), (56, 569890), (70, 455912), (80, 398923), (112, 284945), (140, 227956), (280, 113978), (560, 56989)]