38859440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7963}}^1$

素因数の和:8037

約数の個数: 40

約数和(自身を含む): 91840848

約数和(自身を除く): 52981408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 7963, 15926, 31852, 39815, 63704, 79630, 127408, 159260, 318520, 485743, 637040, 971486, 1942972, 2428715, 3885944, 4857430, 7771888, 9714860, 19429720, 38859440]

約数ペア:

[(1, 38859440), (2, 19429720), (4, 9714860), (5, 7771888), (8, 4857430), (10, 3885944), (16, 2428715), (20, 1942972), (40, 971486), (61, 637040), (80, 485743), (122, 318520), (244, 159260), (305, 127408), (488, 79630), (610, 63704), (976, 39815), (1220, 31852), (2440, 15926), (4880, 7963)]