135721480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{82757}}^1$

素因数の和:82809

約数の個数: 32

約数和(自身を含む): 312825240

約数和(自身を除く): 177103760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 82757, 165514, 331028, 413785, 662056, 827570, 1655140, 3310280, 3393037, 6786074, 13572148, 16965185, 27144296, 33930370, 67860740, 135721480]

約数ペア:

[(1, 135721480), (2, 67860740), (4, 33930370), (5, 27144296), (8, 16965185), (10, 13572148), (20, 6786074), (40, 3393037), (41, 3310280), (82, 1655140), (164, 827570), (205, 662056), (328, 413785), (410, 331028), (820, 165514), (1640, 82757)]