899532080

素因数分解:

$2^4\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{10139}}^1$

素因数の和:11261

約数の個数: 40

約数和(自身を含む): 2093504400

約数和(自身を除く): 1193972320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1109, 2218, 4436, 5545, 8872, 10139, 11090, 17744, 20278, 22180, 40556, 44360, 50695, 81112, 88720, 101390, 162224, 202780, 405560, 811120, 11244151, 22488302, 44976604, 56220755, 89953208, 112441510, 179906416, 224883020, 449766040, 899532080]

約数ペア:

[(1, 899532080), (2, 449766040), (4, 224883020), (5, 179906416), (8, 112441510), (10, 89953208), (16, 56220755), (20, 44976604), (40, 22488302), (80, 11244151), (1109, 811120), (2218, 405560), (4436, 202780), (5545, 162224), (8872, 101390), (10139, 88720), (11090, 81112), (17744, 50695), (20278, 44360), (22180, 40556)]