12912860120

素因数分解:

$2^3\times 5^1\times {\mathrm{10861}}^1\times {\mathrm{29723}}^1$

素因数の和:40595

約数の個数: 32

約数和(自身を含む): 29057587920

約数和(自身を除く): 16144727800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10861, 21722, 29723, 43444, 54305, 59446, 86888, 108610, 118892, 148615, 217220, 237784, 297230, 434440, 594460, 1188920, 322821503, 645643006, 1291286012, 1614107515, 2582572024, 3228215030, 6456430060, 12912860120]

約数ペア:

[(1, 12912860120), (2, 6456430060), (4, 3228215030), (5, 2582572024), (8, 1614107515), (10, 1291286012), (20, 645643006), (40, 322821503), (10861, 1188920), (21722, 594460), (29723, 434440), (43444, 297230), (54305, 237784), (59446, 217220), (86888, 148615), (108610, 118892)]