80880748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{9907}}^1$

素因数の和:10081

約数の個数: 24

約数和(自身を含む): 153415472

約数和(自身を除く): 72534724

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 9907, 19814, 39628, 128791, 257582, 515164, 1555399, 3110798, 6221596, 20220187, 40440374, 80880748]

約数ペア:

[(1, 80880748), (2, 40440374), (4, 20220187), (13, 6221596), (26, 3110798), (52, 1555399), (157, 515164), (314, 257582), (628, 128791), (2041, 39628), (4082, 19814), (8164, 9907)]