18144560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32401}}^1$

素因数の和:32421

約数の個数: 40

約数和(自身を含む): 48214176

約数和(自身を除く): 30069616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32401, 64802, 129604, 162005, 226807, 259208, 324010, 453614, 518416, 648020, 907228, 1134035, 1296040, 1814456, 2268070, 2592080, 3628912, 4536140, 9072280, 18144560]

約数ペア:

[(1, 18144560), (2, 9072280), (4, 4536140), (5, 3628912), (7, 2592080), (8, 2268070), (10, 1814456), (14, 1296040), (16, 1134035), (20, 907228), (28, 648020), (35, 518416), (40, 453614), (56, 324010), (70, 259208), (80, 226807), (112, 162005), (140, 129604), (280, 64802), (560, 32401)]