27963880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99871}}^1$

素因数の和:99889

約数の個数: 32

約数和(自身を含む): 71907840

約数和(自身を除く): 43943960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99871, 199742, 399484, 499355, 699097, 798968, 998710, 1398194, 1997420, 2796388, 3495485, 3994840, 5592776, 6990970, 13981940, 27963880]

約数ペア:

[(1, 27963880), (2, 13981940), (4, 6990970), (5, 5592776), (7, 3994840), (8, 3495485), (10, 2796388), (14, 1997420), (20, 1398194), (28, 998710), (35, 798968), (40, 699097), (56, 499355), (70, 399484), (140, 199742), (280, 99871)]