38978810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{683}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 75841920

約数和(自身を除く): 36863110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 439, 683, 878, 1366, 2195, 3415, 4390, 5707, 6830, 8879, 11414, 17758, 28535, 44395, 57070, 88790, 299837, 599674, 1499185, 2998370, 3897881, 7795762, 19489405, 38978810]

約数ペア:

[(1, 38978810), (2, 19489405), (5, 7795762), (10, 3897881), (13, 2998370), (26, 1499185), (65, 599674), (130, 299837), (439, 88790), (683, 57070), (878, 44395), (1366, 28535), (2195, 17758), (3415, 11414), (4390, 8879), (5707, 6830)]