180025360

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{21031}}^1$

素因数の和:21151

約数の個数: 40

約数和(自身を含む): 422490816

約数和(自身を除く): 242465456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 21031, 42062, 84124, 105155, 168248, 210310, 336496, 420620, 841240, 1682480, 2250317, 4500634, 9001268, 11251585, 18002536, 22503170, 36005072, 45006340, 90012680, 180025360]

約数ペア:

[(1, 180025360), (2, 90012680), (4, 45006340), (5, 36005072), (8, 22503170), (10, 18002536), (16, 11251585), (20, 9001268), (40, 4500634), (80, 2250317), (107, 1682480), (214, 841240), (428, 420620), (535, 336496), (856, 210310), (1070, 168248), (1712, 105155), (2140, 84124), (4280, 42062), (8560, 21031)]