1330321280

素因数分解:

$2^7\times 5^1\times {\mathrm{2078627}}^1$

素因数の和:2078646

約数の個数: 32

約数和(自身を含む): 3180300840

約数和(自身を除く): 1849979560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2078627, 4157254, 8314508, 10393135, 16629016, 20786270, 33258032, 41572540, 66516064, 83145080, 133032128, 166290160, 266064256, 332580320, 665160640, 1330321280]

約数ペア:

[(1, 1330321280), (2, 665160640), (4, 332580320), (5, 266064256), (8, 166290160), (10, 133032128), (16, 83145080), (20, 66516064), (32, 41572540), (40, 33258032), (64, 20786270), (80, 16629016), (128, 10393135), (160, 8314508), (320, 4157254), (640, 2078627)]