87394120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198623}}^1$

素因数の和:198645

約数の個数: 32

約数和(自身を含む): 214513920

約数和(自身を除く): 127119800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 198623, 397246, 794492, 993115, 1588984, 1986230, 2184853, 3972460, 4369706, 7944920, 8739412, 10924265, 17478824, 21848530, 43697060, 87394120]

約数ペア:

[(1, 87394120), (2, 43697060), (4, 21848530), (5, 17478824), (8, 10924265), (10, 8739412), (11, 7944920), (20, 4369706), (22, 3972460), (40, 2184853), (44, 1986230), (55, 1588984), (88, 993115), (110, 794492), (220, 397246), (440, 198623)]