51615880

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5021}}^1$

素因数の和:5289

約数の個数: 32

約数和(自身を含む): 116610840

約数和(自身を除く): 64994960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5021, 5140, 10042, 10280, 20084, 25105, 40168, 50210, 100420, 200840, 1290397, 2580794, 5161588, 6451985, 10323176, 12903970, 25807940, 51615880]

約数ペア:

[(1, 51615880), (2, 25807940), (4, 12903970), (5, 10323176), (8, 6451985), (10, 5161588), (20, 2580794), (40, 1290397), (257, 200840), (514, 100420), (1028, 50210), (1285, 40168), (2056, 25105), (2570, 20084), (5021, 10280), (5140, 10042)]