165204220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{116341}}^1$

素因数の和:116421

約数の個数: 24

約数和(自身を含む): 351818208

約数和(自身を除く): 186613988

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 116341, 232682, 465364, 581705, 1163410, 2326820, 8260211, 16520422, 33040844, 41301055, 82602110, 165204220]

約数ペア:

[(1, 165204220), (2, 82602110), (4, 41301055), (5, 33040844), (10, 16520422), (20, 8260211), (71, 2326820), (142, 1163410), (284, 581705), (355, 465364), (710, 232682), (1420, 116341)]