2667440

素因数分解:

$2^4\times 5^1\times {\mathrm{33343}}^1$

素因数の和:33356

約数の個数: 20

約数和(自身を含む): 6201984

約数和(自身を除く): 3534544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33343, 66686, 133372, 166715, 266744, 333430, 533488, 666860, 1333720, 2667440]

約数ペア:

[(1, 2667440), (2, 1333720), (4, 666860), (5, 533488), (8, 333430), (10, 266744), (16, 166715), (20, 133372), (40, 66686), (80, 33343)]