156924260

素因数分解:

$2^2\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{3929}}^1$

素因数の和:5935

約数の個数: 24

約数和(自身を含む): 329789880

約数和(自身を除く): 172865620

約数列:

[1, 2, 4, 5, 10, 20, 1997, 3929, 3994, 7858, 7988, 9985, 15716, 19645, 19970, 39290, 39940, 78580, 7846213, 15692426, 31384852, 39231065, 78462130, 156924260]

約数ペア:

[(1, 156924260), (2, 78462130), (4, 39231065), (5, 31384852), (10, 15692426), (20, 7846213), (1997, 78580), (3929, 39940), (3994, 39290), (7858, 19970), (7988, 19645), (9985, 15716)]