201890180

素因数分解:

$2^2\times 5^1\times {\mathrm{10094509}}^1$

素因数の和:10094518

約数の個数: 12

約数和(自身を含む): 423969420

約数和(自身を除く): 222079240

約数列:

[1, 2, 4, 5, 10, 20, 10094509, 20189018, 40378036, 50472545, 100945090, 201890180]

約数ペア:

[(1, 201890180), (2, 100945090), (4, 50472545), (5, 40378036), (10, 20189018), (20, 10094509)]