25451872

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 52390800

約数和(自身を除く): 26938928

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 86, 106, 172, 212, 344, 349, 424, 688, 698, 848, 1376, 1396, 1696, 2279, 2792, 4558, 5584, 9116, 11168, 15007, 18232, 18497, 30014, 36464, 36994, 60028, 72928, 73988, 120056, 147976, 240112, 295952, 480224, 591904, 795371, 1590742, 3181484, 6362968, 12725936, 25451872]

約数ペア:

[(1, 25451872), (2, 12725936), (4, 6362968), (8, 3181484), (16, 1590742), (32, 795371), (43, 591904), (53, 480224), (86, 295952), (106, 240112), (172, 147976), (212, 120056), (344, 73988), (349, 72928), (424, 60028), (688, 36994), (698, 36464), (848, 30014), (1376, 18497), (1396, 18232), (1696, 15007), (2279, 11168), (2792, 9116), (4558, 5584)]