5121004040

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{707321}}^1$

素因数の和:707513

約数の個数: 32

約数和(自身を含む): 11585934360

約数和(自身を除く): 6464930320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 707321, 1414642, 2829284, 3536605, 5658568, 7073210, 14146420, 28292840, 128025101, 256050202, 512100404, 640125505, 1024200808, 1280251010, 2560502020, 5121004040]

約数ペア:

[(1, 5121004040), (2, 2560502020), (4, 1280251010), (5, 1024200808), (8, 640125505), (10, 512100404), (20, 256050202), (40, 128025101), (181, 28292840), (362, 14146420), (724, 7073210), (905, 5658568), (1448, 3536605), (1810, 2829284), (3620, 1414642), (7240, 707321)]