1812552520

素因数分解:

$2^3\times 5^1\times {\mathrm{11779}}^1\times {\mathrm{3847}}^1$

素因数の和:15637

約数の個数: 32

約数和(自身を含む): 4079649600

約数和(自身を除く): 2267097080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3847, 7694, 11779, 15388, 19235, 23558, 30776, 38470, 47116, 58895, 76940, 94232, 117790, 153880, 235580, 471160, 45313813, 90627626, 181255252, 226569065, 362510504, 453138130, 906276260, 1812552520]

約数ペア:

[(1, 1812552520), (2, 906276260), (4, 453138130), (5, 362510504), (8, 226569065), (10, 181255252), (20, 90627626), (40, 45313813), (3847, 471160), (7694, 235580), (11779, 153880), (15388, 117790), (19235, 94232), (23558, 76940), (30776, 58895), (38470, 47116)]