31336820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 68901840

約数和(自身を除く): 37565020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 388, 485, 557, 580, 970, 1114, 1940, 2228, 2785, 2813, 5570, 5626, 11140, 11252, 14065, 16153, 28130, 32306, 54029, 56260, 64612, 80765, 108058, 161530, 216116, 270145, 323060, 540290, 1080580, 1566841, 3133682, 6267364, 7834205, 15668410, 31336820]

約数ペア:

[(1, 31336820), (2, 15668410), (4, 7834205), (5, 6267364), (10, 3133682), (20, 1566841), (29, 1080580), (58, 540290), (97, 323060), (116, 270145), (145, 216116), (194, 161530), (290, 108058), (388, 80765), (485, 64612), (557, 56260), (580, 54029), (970, 32306), (1114, 28130), (1940, 16153), (2228, 14065), (2785, 11252), (2813, 11140), (5570, 5626)]