19950880

素因数分解:

$2^5\times 5^1\times {\mathrm{124693}}^1$

素因数の和:124708

約数の個数: 24

約数和(自身を含む): 47134332

約数和(自身を除く): 27183452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124693, 249386, 498772, 623465, 997544, 1246930, 1995088, 2493860, 3990176, 4987720, 9975440, 19950880]

約数ペア:

[(1, 19950880), (2, 9975440), (4, 4987720), (5, 3990176), (8, 2493860), (10, 1995088), (16, 1246930), (20, 997544), (32, 623465), (40, 498772), (80, 249386), (160, 124693)]