2015120

素因数分解:

$2^4\times 5^1\times {\mathrm{25189}}^1$

素因数の和:25202

約数の個数: 20

約数和(自身を含む): 4685340

約数和(自身を除く): 2670220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25189, 50378, 100756, 125945, 201512, 251890, 403024, 503780, 1007560, 2015120]

約数ペア:

[(1, 2015120), (2, 1007560), (4, 503780), (5, 403024), (8, 251890), (10, 201512), (16, 125945), (20, 100756), (40, 50378), (80, 25189)]