201891440

素因数分解:

$2^4\times 5^1\times {\mathrm{2523643}}^1$

素因数の和:2523656

約数の個数: 20

約数和(自身を含む): 469397784

約数和(自身を除く): 267506344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2523643, 5047286, 10094572, 12618215, 20189144, 25236430, 40378288, 50472860, 100945720, 201891440]

約数ペア:

[(1, 201891440), (2, 100945720), (4, 50472860), (5, 40378288), (8, 25236430), (10, 20189144), (16, 12618215), (20, 10094572), (40, 5047286), (80, 2523643)]