201808280

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{18617}}^1$

素因数の和:18899

約数の個数: 32

約数和(自身を含む): 455768640

約数和(自身を除く): 253960360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 18617, 37234, 74468, 93085, 148936, 186170, 372340, 744680, 5045207, 10090414, 20180828, 25226035, 40361656, 50452070, 100904140, 201808280]

約数ペア:

[(1, 201808280), (2, 100904140), (4, 50452070), (5, 40361656), (8, 25226035), (10, 20180828), (20, 10090414), (40, 5045207), (271, 744680), (542, 372340), (1084, 186170), (1355, 148936), (2168, 93085), (2710, 74468), (5420, 37234), (10840, 18617)]