31132720

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3637}}^1$

素因数の和:3757

約数の個数: 40

約数和(自身を含む): 73080144

約数和(自身を除く): 41947424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 3637, 4280, 7274, 8560, 14548, 18185, 29096, 36370, 58192, 72740, 145480, 290960, 389159, 778318, 1556636, 1945795, 3113272, 3891590, 6226544, 7783180, 15566360, 31132720]

約数ペア:

[(1, 31132720), (2, 15566360), (4, 7783180), (5, 6226544), (8, 3891590), (10, 3113272), (16, 1945795), (20, 1556636), (40, 778318), (80, 389159), (107, 290960), (214, 145480), (428, 72740), (535, 58192), (856, 36370), (1070, 29096), (1712, 18185), (2140, 14548), (3637, 8560), (4280, 7274)]