80545360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143831}}^1$

素因数の和:143851

約数の個数: 40

約数和(自身を含む): 214022016

約数和(自身を除く): 133476656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143831, 287662, 575324, 719155, 1006817, 1150648, 1438310, 2013634, 2301296, 2876620, 4027268, 5034085, 5753240, 8054536, 10068170, 11506480, 16109072, 20136340, 40272680, 80545360]

約数ペア:

[(1, 80545360), (2, 40272680), (4, 20136340), (5, 16109072), (7, 11506480), (8, 10068170), (10, 8054536), (14, 5753240), (16, 5034085), (20, 4027268), (28, 2876620), (35, 2301296), (40, 2013634), (56, 1438310), (70, 1150648), (80, 1006817), (112, 719155), (140, 575324), (280, 287662), (560, 143831)]