40193960

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9949}}^1$

素因数の和:10061

約数の個数: 32

約数和(自身を含む): 91341000

約数和(自身を除く): 51147040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 9949, 19898, 39796, 49745, 79592, 99490, 198980, 397960, 1004849, 2009698, 4019396, 5024245, 8038792, 10048490, 20096980, 40193960]

約数ペア:

[(1, 40193960), (2, 20096980), (4, 10048490), (5, 8038792), (8, 5024245), (10, 4019396), (20, 2009698), (40, 1004849), (101, 397960), (202, 198980), (404, 99490), (505, 79592), (808, 49745), (1010, 39796), (2020, 19898), (4040, 9949)]