25347910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1409}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 52384320

約数和(自身を除く): 27036410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1409, 1799, 2570, 2818, 3598, 7045, 8995, 9863, 14090, 17990, 19726, 49315, 98630, 362113, 724226, 1810565, 2534791, 3621130, 5069582, 12673955, 25347910]

約数ペア:

[(1, 25347910), (2, 12673955), (5, 5069582), (7, 3621130), (10, 2534791), (14, 1810565), (35, 724226), (70, 362113), (257, 98630), (514, 49315), (1285, 19726), (1409, 17990), (1799, 14090), (2570, 9863), (2818, 8995), (3598, 7045)]