17896280

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{827}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 40389840

約数和(自身を除く): 22493560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 827, 1082, 1654, 2164, 2705, 3308, 4135, 4328, 5410, 6616, 8270, 10820, 16540, 21640, 33080, 447407, 894814, 1789628, 2237035, 3579256, 4474070, 8948140, 17896280]

約数ペア:

[(1, 17896280), (2, 8948140), (4, 4474070), (5, 3579256), (8, 2237035), (10, 1789628), (20, 894814), (40, 447407), (541, 33080), (827, 21640), (1082, 16540), (1654, 10820), (2164, 8270), (2705, 6616), (3308, 5410), (4135, 4328)]