205985.0000000

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3271}}^1$

素因数の和:3321

約数の個数: 40

約数和(自身を含む): 23126496

約数和(自身を除く): 13444336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 3271, 6542, 13084, 16355, 26168, 32710, 52336, 65420, 121027, 130840, 242054, 261680, 484108, 605135, 968216, 1210270, 1936432, 2420540, 4841080, 9682160]

約数ペア:

[(1, 9682160), (2, 4841080), (4, 2420540), (5, 1936432), (8, 1210270), (10, 968216), (16, 605135), (20, 484108), (37, 261680), (40, 242054), (74, 130840), (80, 121027), (148, 65420), (185, 52336), (296, 32710), (370, 26168), (592, 16355), (740, 13084), (1480, 6542), (2960, 3271)]