26540440

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1213}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 59874480

約数和(自身を除く): 33334040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 1213, 2188, 2426, 2735, 4376, 4852, 5470, 6065, 9704, 10940, 12130, 21880, 24260, 48520, 663511, 1327022, 2654044, 3317555, 5308088, 6635110, 13270220, 26540440]

約数ペア:

[(1, 26540440), (2, 13270220), (4, 6635110), (5, 5308088), (8, 3317555), (10, 2654044), (20, 1327022), (40, 663511), (547, 48520), (1094, 24260), (1213, 21880), (2188, 12130), (2426, 10940), (2735, 9704), (4376, 6065), (4852, 5470)]