203445520

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{23767}}^1$

素因数の和:23887

約数の個数: 40

約数和(自身を含む): 477451584

約数和(自身を除く): 274006064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 23767, 47534, 95068, 118835, 190136, 237670, 380272, 475340, 950680, 1901360, 2543069, 5086138, 10172276, 12715345, 20344552, 25430690, 40689104, 50861380, 101722760, 203445520]

約数ペア:

[(1, 203445520), (2, 101722760), (4, 50861380), (5, 40689104), (8, 25430690), (10, 20344552), (16, 12715345), (20, 10172276), (40, 5086138), (80, 2543069), (107, 1901360), (214, 950680), (428, 475340), (535, 380272), (856, 237670), (1070, 190136), (1712, 118835), (2140, 95068), (4280, 47534), (8560, 23767)]