164033440

素因数分解:

$2^5\times 5^1\times {\mathrm{1025209}}^1$

素因数の和:1025224

約数の個数: 24

約数和(自身を含む): 387529380

約数和(自身を除く): 223495940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1025209, 2050418, 4100836, 5126045, 8201672, 10252090, 16403344, 20504180, 32806688, 41008360, 82016720, 164033440]

約数ペア:

[(1, 164033440), (2, 82016720), (4, 41008360), (5, 32806688), (8, 20504180), (10, 16403344), (16, 10252090), (20, 8201672), (32, 5126045), (40, 4100836), (80, 2050418), (160, 1025209)]