40540120

素因数分解:

$2^3\times 5^1\times {\mathrm{1013503}}^1$

素因数の和:1013514

約数の個数: 16

約数和(自身を含む): 91215360

約数和(自身を除く): 50675240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013503, 2027006, 4054012, 5067515, 8108024, 10135030, 20270060, 40540120]

約数ペア:

[(1, 40540120), (2, 20270060), (4, 10135030), (5, 8108024), (8, 5067515), (10, 4054012), (20, 2027006), (40, 1013503)]