2005255

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 2985984

約数和(自身を除く): 980729

約数列:

[1, 5, 7, 23, 35, 47, 53, 115, 161, 235, 265, 329, 371, 805, 1081, 1219, 1645, 1855, 2491, 5405, 6095, 7567, 8533, 12455, 17437, 37835, 42665, 57293, 87185, 286465, 401051, 2005255]

約数ペア:

[(1, 2005255), (5, 401051), (7, 286465), (23, 87185), (35, 57293), (47, 42665), (53, 37835), (115, 17437), (161, 12455), (235, 8533), (265, 7567), (329, 6095), (371, 5405), (805, 2491), (1081, 1855), (1219, 1645)]