25132280

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2389}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 56786400

約数和(自身を除く): 31654120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2389, 2630, 4778, 5260, 9556, 10520, 11945, 19112, 23890, 47780, 95560, 628307, 1256614, 2513228, 3141535, 5026456, 6283070, 12566140, 25132280]

約数ペア:

[(1, 25132280), (2, 12566140), (4, 6283070), (5, 5026456), (8, 3141535), (10, 2513228), (20, 1256614), (40, 628307), (263, 95560), (526, 47780), (1052, 23890), (1315, 19112), (2104, 11945), (2389, 10520), (2630, 9556), (4778, 5260)]