15697210280

素因数分解:

$2^3\times 5^1\times {\mathrm{3391}}^1\times {\mathrm{115727}}^1$

素因数の和:119129

約数の個数: 32

約数和(自身を含む): 35329443840

約数和(自身を除く): 19632233560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3391, 6782, 13564, 16955, 27128, 33910, 67820, 115727, 135640, 231454, 462908, 578635, 925816, 1157270, 2314540, 4629080, 392430257, 784860514, 1569721028, 1962151285, 3139442056, 3924302570, 7848605140, 15697210280]

約数ペア:

[(1, 15697210280), (2, 7848605140), (4, 3924302570), (5, 3139442056), (8, 1962151285), (10, 1569721028), (20, 784860514), (40, 392430257), (3391, 4629080), (6782, 2314540), (13564, 1157270), (16955, 925816), (27128, 578635), (33910, 462908), (67820, 231454), (115727, 135640)]