80400772

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{242171}}^1$

素因数の和:242258

約数の個数: 12

約数和(自身を含む): 142397136

約数和(自身を除く): 61996364

約数列:

[1, 2, 4, 83, 166, 332, 242171, 484342, 968684, 20100193, 40200386, 80400772]

約数ペア:

[(1, 80400772), (2, 40200386), (4, 20100193), (83, 968684), (166, 484342), (332, 242171)]