20199930160

素因数分解:

$2^4\times 5^1\times {\mathrm{3163}}^1\times {\mathrm{79829}}^1$

素因数の和:83005

約数の個数: 40

約数和(自身を含む): 46980274320

約数和(自身を除く): 26780344160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3163, 6326, 12652, 15815, 25304, 31630, 50608, 63260, 79829, 126520, 159658, 253040, 319316, 399145, 638632, 798290, 1277264, 1596580, 3193160, 6386320, 252499127, 504998254, 1009996508, 1262495635, 2019993016, 2524991270, 4039986032, 5049982540, 10099965080, 20199930160]

約数ペア:

[(1, 20199930160), (2, 10099965080), (4, 5049982540), (5, 4039986032), (8, 2524991270), (10, 2019993016), (16, 1262495635), (20, 1009996508), (40, 504998254), (80, 252499127), (3163, 6386320), (6326, 3193160), (12652, 1596580), (15815, 1277264), (25304, 798290), (31630, 638632), (50608, 399145), (63260, 319316), (79829, 253040), (126520, 159658)]