17784680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8389}}^1$

素因数の和:8453

約数の個数: 32

約数和(自身を含む): 40775400

約数和(自身を除く): 22990720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8389, 16778, 33556, 41945, 67112, 83890, 167780, 335560, 444617, 889234, 1778468, 2223085, 3556936, 4446170, 8892340, 17784680]

約数ペア:

[(1, 17784680), (2, 8892340), (4, 4446170), (5, 3556936), (8, 2223085), (10, 1778468), (20, 889234), (40, 444617), (53, 335560), (106, 167780), (212, 83890), (265, 67112), (424, 41945), (530, 33556), (1060, 16778), (2120, 8389)]