29921480

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6991}}^1$

素因数の和:7109

約数の個数: 32

約数和(自身を含む): 67962240

約数和(自身を除く): 38040760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 6991, 13982, 27964, 34955, 55928, 69910, 139820, 279640, 748037, 1496074, 2992148, 3740185, 5984296, 7480370, 14960740, 29921480]

約数ペア:

[(1, 29921480), (2, 14960740), (4, 7480370), (5, 5984296), (8, 3740185), (10, 2992148), (20, 1496074), (40, 748037), (107, 279640), (214, 139820), (428, 69910), (535, 55928), (856, 34955), (1070, 27964), (2140, 13982), (4280, 6991)]