25708280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3803}}^1$

素因数の和:3840

約数の個数: 48

約数和(自身を含む): 62651880

約数和(自身を除く): 36943600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 3803, 6760, 7606, 15212, 19015, 30424, 38030, 49439, 76060, 98878, 152120, 197756, 247195, 395512, 494390, 642707, 988780, 1285414, 1977560, 2570828, 3213535, 5141656, 6427070, 12854140, 25708280]

約数ペア:

[(1, 25708280), (2, 12854140), (4, 6427070), (5, 5141656), (8, 3213535), (10, 2570828), (13, 1977560), (20, 1285414), (26, 988780), (40, 642707), (52, 494390), (65, 395512), (104, 247195), (130, 197756), (169, 152120), (260, 98878), (338, 76060), (520, 49439), (676, 38030), (845, 30424), (1352, 19015), (1690, 15212), (3380, 7606), (3803, 6760)]