89608840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{77249}}^1$

素因数の和:77289

約数の個数: 32

約数和(自身を含む): 208575000

約数和(自身を除く): 118966160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 77249, 154498, 308996, 386245, 617992, 772490, 1544980, 2240221, 3089960, 4480442, 8960884, 11201105, 17921768, 22402210, 44804420, 89608840]

約数ペア:

[(1, 89608840), (2, 44804420), (4, 22402210), (5, 17921768), (8, 11201105), (10, 8960884), (20, 4480442), (29, 3089960), (40, 2240221), (58, 1544980), (116, 772490), (145, 617992), (232, 386245), (290, 308996), (580, 154498), (1160, 77249)]