89261840

素因数分解:

$2^4\times 5^1\times {\mathrm{1115773}}^1$

素因数の和:1115786

約数の個数: 20

約数和(自身を含む): 207533964

約数和(自身を除く): 118272124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1115773, 2231546, 4463092, 5578865, 8926184, 11157730, 17852368, 22315460, 44630920, 89261840]

約数ペア:

[(1, 89261840), (2, 44630920), (4, 22315460), (5, 17852368), (8, 11157730), (10, 8926184), (16, 5578865), (20, 4463092), (40, 2231546), (80, 1115773)]