25381160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90647}}^1$

素因数の和:90665

約数の個数: 32

約数和(自身を含む): 65266560

約数和(自身を除く): 39885400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90647, 181294, 362588, 453235, 634529, 725176, 906470, 1269058, 1812940, 2538116, 3172645, 3625880, 5076232, 6345290, 12690580, 25381160]

約数ペア:

[(1, 25381160), (2, 12690580), (4, 6345290), (5, 5076232), (7, 3625880), (8, 3172645), (10, 2538116), (14, 1812940), (20, 1269058), (28, 906470), (35, 725176), (40, 634529), (56, 453235), (70, 362588), (140, 181294), (280, 90647)]