12666640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22619}}^1$

素因数の和:22639

約数の個数: 40

約数和(自身を含む): 33658560

約数和(自身を除く): 20991920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22619, 45238, 90476, 113095, 158333, 180952, 226190, 316666, 361904, 452380, 633332, 791665, 904760, 1266664, 1583330, 1809520, 2533328, 3166660, 6333320, 12666640]

約数ペア:

[(1, 12666640), (2, 6333320), (4, 3166660), (5, 2533328), (7, 1809520), (8, 1583330), (10, 1266664), (14, 904760), (16, 791665), (20, 633332), (28, 452380), (35, 361904), (40, 316666), (56, 226190), (70, 180952), (80, 158333), (112, 113095), (140, 90476), (280, 45238), (560, 22619)]