281479360

素因数分解:

$2^6\times 5^1\times {\mathrm{879623}}^1$

素因数の和:879640

約数の個数: 28

約数和(自身を含む): 670273488

約数和(自身を除く): 388794128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 879623, 1759246, 3518492, 4398115, 7036984, 8796230, 14073968, 17592460, 28147936, 35184920, 56295872, 70369840, 140739680, 281479360]

約数ペア:

[(1, 281479360), (2, 140739680), (4, 70369840), (5, 56295872), (8, 35184920), (10, 28147936), (16, 17592460), (20, 14073968), (32, 8796230), (40, 7036984), (64, 4398115), (80, 3518492), (160, 1759246), (320, 879623)]