40707760

素因数分解:

$2^4\times 5^1\times {\mathrm{508847}}^1$

素因数の和:508860

約数の個数: 20

約数和(自身を含む): 94645728

約数和(自身を除く): 53937968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508847, 1017694, 2035388, 2544235, 4070776, 5088470, 8141552, 10176940, 20353880, 40707760]

約数ペア:

[(1, 40707760), (2, 20353880), (4, 10176940), (5, 8141552), (8, 5088470), (10, 4070776), (16, 2544235), (20, 2035388), (40, 1017694), (80, 508847)]