304877680

素因数分解:

$2^4\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{2351}}^1$

素因数の和:3985

約数の個数: 40

約数和(自身を含む): 709579584

約数和(自身を除く): 404701904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1621, 2351, 3242, 4702, 6484, 8105, 9404, 11755, 12968, 16210, 18808, 23510, 25936, 32420, 37616, 47020, 64840, 94040, 129680, 188080, 3810971, 7621942, 15243884, 19054855, 30487768, 38109710, 60975536, 76219420, 152438840, 304877680]

約数ペア:

[(1, 304877680), (2, 152438840), (4, 76219420), (5, 60975536), (8, 38109710), (10, 30487768), (16, 19054855), (20, 15243884), (40, 7621942), (80, 3810971), (1621, 188080), (2351, 129680), (3242, 94040), (4702, 64840), (6484, 47020), (8105, 37616), (9404, 32420), (11755, 25936), (12968, 23510), (16210, 18808)]