40443380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22721}}^1$

素因数の和:22819

約数の個数: 24

約数和(自身を含む): 85889160

約数和(自身を除く): 45445780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 22721, 45442, 90884, 113605, 227210, 454420, 2022169, 4044338, 8088676, 10110845, 20221690, 40443380]

約数ペア:

[(1, 40443380), (2, 20221690), (4, 10110845), (5, 8088676), (10, 4044338), (20, 2022169), (89, 454420), (178, 227210), (356, 113605), (445, 90884), (890, 45442), (1780, 22721)]