15808940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{112921}}^1$

素因数の和:112937

約数の個数: 24

約数和(自身を含む): 37941792

約数和(自身を除く): 22132852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 112921, 225842, 451684, 564605, 790447, 1129210, 1580894, 2258420, 3161788, 3952235, 7904470, 15808940]

約数ペア:

[(1, 15808940), (2, 7904470), (4, 3952235), (5, 3161788), (7, 2258420), (10, 1580894), (14, 1129210), (20, 790447), (28, 564605), (35, 451684), (70, 225842), (140, 112921)]