204065840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{231893}}^1$

素因数の和:231917

約数の個数: 40

約数和(自身を含む): 517587408

約数和(自身を除く): 313521568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 231893, 463786, 927572, 1159465, 1855144, 2318930, 2550823, 3710288, 4637860, 5101646, 9275720, 10203292, 12754115, 18551440, 20406584, 25508230, 40813168, 51016460, 102032920, 204065840]

約数ペア:

[(1, 204065840), (2, 102032920), (4, 51016460), (5, 40813168), (8, 25508230), (10, 20406584), (11, 18551440), (16, 12754115), (20, 10203292), (22, 9275720), (40, 5101646), (44, 4637860), (55, 3710288), (80, 2550823), (88, 2318930), (110, 1855144), (176, 1159465), (220, 927572), (440, 463786), (880, 231893)]