1728360520

素因数分解:

$2^3\times 5^1\times {\mathrm{43209013}}^1$

素因数の和:43209024

約数の個数: 16

約数和(自身を含む): 3888811260

約数和(自身を除く): 2160450740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43209013, 86418026, 172836052, 216045065, 345672104, 432090130, 864180260, 1728360520]

約数ペア:

[(1, 1728360520), (2, 864180260), (4, 432090130), (5, 345672104), (8, 216045065), (10, 172836052), (20, 86418026), (40, 43209013)]