388584880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{118471}}^1$

素因数の和:118525

約数の個数: 40

約数和(自身を含む): 925503264

約数和(自身を除く): 536918384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 118471, 236942, 473884, 592355, 947768, 1184710, 1895536, 2369420, 4738840, 4857311, 9477680, 9714622, 19429244, 24286555, 38858488, 48573110, 77716976, 97146220, 194292440, 388584880]

約数ペア:

[(1, 388584880), (2, 194292440), (4, 97146220), (5, 77716976), (8, 48573110), (10, 38858488), (16, 24286555), (20, 19429244), (40, 9714622), (41, 9477680), (80, 4857311), (82, 4738840), (164, 2369420), (205, 1895536), (328, 1184710), (410, 947768), (656, 592355), (820, 473884), (1640, 236942), (3280, 118471)]