87801340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{399097}}^1$

素因数の和:399117

約数の個数: 24

約数和(自身を含む): 201145392

約数和(自身を除く): 113344052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 399097, 798194, 1596388, 1995485, 3990970, 4390067, 7981940, 8780134, 17560268, 21950335, 43900670, 87801340]

約数ペア:

[(1, 87801340), (2, 43900670), (4, 21950335), (5, 17560268), (10, 8780134), (11, 7981940), (20, 4390067), (22, 3990970), (44, 1995485), (55, 1596388), (110, 798194), (220, 399097)]