8747960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16823}}^1$

素因数の和:16847

約数の個数: 32

約数和(自身を含む): 21198240

約数和(自身を除く): 12450280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16823, 33646, 67292, 84115, 134584, 168230, 218699, 336460, 437398, 672920, 874796, 1093495, 1749592, 2186990, 4373980, 8747960]

約数ペア:

[(1, 8747960), (2, 4373980), (4, 2186990), (5, 1749592), (8, 1093495), (10, 874796), (13, 672920), (20, 437398), (26, 336460), (40, 218699), (52, 168230), (65, 134584), (104, 84115), (130, 67292), (260, 33646), (520, 16823)]