39880755

素因数分解:

$3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1669}}^1$

素因数の和:1745

約数の個数: 40

約数和(自身を含む): 72745200

約数和(自身を除く): 32864445

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 81, 135, 177, 295, 405, 531, 885, 1593, 1669, 2655, 4779, 5007, 7965, 8345, 15021, 23895, 25035, 45063, 75105, 98471, 135189, 225315, 295413, 492355, 675945, 886239, 1477065, 2658717, 4431195, 7976151, 13293585, 39880755]

約数ペア:

[(1, 39880755), (3, 13293585), (5, 7976151), (9, 4431195), (15, 2658717), (27, 1477065), (45, 886239), (59, 675945), (81, 492355), (135, 295413), (177, 225315), (295, 135189), (405, 98471), (531, 75105), (885, 45063), (1593, 25035), (1669, 23895), (2655, 15021), (4779, 8345), (5007, 7965)]