25259780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13879}}^1$

素因数の和:13908

約数の個数: 48

約数和(自身を含む): 65291520

約数和(自身を除く): 40031740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 13879, 27758, 55516, 69395, 97153, 138790, 180427, 194306, 277580, 360854, 388612, 485765, 721708, 902135, 971530, 1262989, 1804270, 1943060, 2525978, 3608540, 5051956, 6314945, 12629890, 25259780]

約数ペア:

[(1, 25259780), (2, 12629890), (4, 6314945), (5, 5051956), (7, 3608540), (10, 2525978), (13, 1943060), (14, 1804270), (20, 1262989), (26, 971530), (28, 902135), (35, 721708), (52, 485765), (65, 388612), (70, 360854), (91, 277580), (130, 194306), (140, 180427), (182, 138790), (260, 97153), (364, 69395), (455, 55516), (910, 27758), (1820, 13879)]