38753840

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2459}}^1$

素因数の和:2669

約数の個数: 40

約数和(自身を含む): 90596880

約数和(自身を除く): 51843040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 2459, 3152, 3940, 4918, 7880, 9836, 12295, 15760, 19672, 24590, 39344, 49180, 98360, 196720, 484423, 968846, 1937692, 2422115, 3875384, 4844230, 7750768, 9688460, 19376920, 38753840]

約数ペア:

[(1, 38753840), (2, 19376920), (4, 9688460), (5, 7750768), (8, 4844230), (10, 3875384), (16, 2422115), (20, 1937692), (40, 968846), (80, 484423), (197, 196720), (394, 98360), (788, 49180), (985, 39344), (1576, 24590), (1970, 19672), (2459, 15760), (3152, 12295), (3940, 9836), (4918, 7880)]