25371040

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{617}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 60269832

約数和(自身を除く): 34898792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 617, 1028, 1234, 1285, 2056, 2468, 2570, 3085, 4112, 4936, 5140, 6170, 8224, 9872, 10280, 12340, 19744, 20560, 24680, 41120, 49360, 98720, 158569, 317138, 634276, 792845, 1268552, 1585690, 2537104, 3171380, 5074208, 6342760, 12685520, 25371040]

約数ペア:

[(1, 25371040), (2, 12685520), (4, 6342760), (5, 5074208), (8, 3171380), (10, 2537104), (16, 1585690), (20, 1268552), (32, 792845), (40, 634276), (80, 317138), (160, 158569), (257, 98720), (514, 49360), (617, 41120), (1028, 24680), (1234, 20560), (1285, 19744), (2056, 12340), (2468, 10280), (2570, 9872), (3085, 8224), (4112, 6170), (4936, 5140)]