6403880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{22871}}^1$

素因数の和:22889

約数の個数: 32

約数和(自身を含む): 16467840

約数和(自身を除く): 10063960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 22871, 45742, 91484, 114355, 160097, 182968, 228710, 320194, 457420, 640388, 800485, 914840, 1280776, 1600970, 3201940, 6403880]

約数ペア:

[(1, 6403880), (2, 3201940), (4, 1600970), (5, 1280776), (7, 914840), (8, 800485), (10, 640388), (14, 457420), (20, 320194), (28, 228710), (35, 182968), (40, 160097), (56, 114355), (70, 91484), (140, 45742), (280, 22871)]