331488280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{202127}}^1$

素因数の和:202179

約数の個数: 32

約数和(自身を含む): 764043840

約数和(自身を除く): 432555560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 202127, 404254, 808508, 1010635, 1617016, 2021270, 4042540, 8085080, 8287207, 16574414, 33148828, 41436035, 66297656, 82872070, 165744140, 331488280]

約数ペア:

[(1, 331488280), (2, 165744140), (4, 82872070), (5, 66297656), (8, 41436035), (10, 33148828), (20, 16574414), (40, 8287207), (41, 8085080), (82, 4042540), (164, 2021270), (205, 1617016), (328, 1010635), (410, 808508), (820, 404254), (1640, 202127)]