80249990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{911}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 151289856

約数和(自身を除く): 71039866

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 383, 766, 911, 1822, 1915, 3830, 4555, 8809, 9110, 17618, 20953, 41906, 44045, 88090, 104765, 209530, 348913, 697826, 1744565, 3489130, 8024999, 16049998, 40124995, 80249990]

約数ペア:

[(1, 80249990), (2, 40124995), (5, 16049998), (10, 8024999), (23, 3489130), (46, 1744565), (115, 697826), (230, 348913), (383, 209530), (766, 104765), (911, 88090), (1822, 44045), (1915, 41906), (3830, 20953), (4555, 17618), (8809, 9110)]