12807760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22871}}^1$

素因数の和:22891

約数の個数: 40

約数和(自身を含む): 34033536

約数和(自身を除く): 21225776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22871, 45742, 91484, 114355, 160097, 182968, 228710, 320194, 365936, 457420, 640388, 800485, 914840, 1280776, 1600970, 1829680, 2561552, 3201940, 6403880, 12807760]

約数ペア:

[(1, 12807760), (2, 6403880), (4, 3201940), (5, 2561552), (7, 1829680), (8, 1600970), (10, 1280776), (14, 914840), (16, 800485), (20, 640388), (28, 457420), (35, 365936), (40, 320194), (56, 228710), (70, 182968), (80, 160097), (112, 114355), (140, 91484), (280, 45742), (560, 22871)]