25376665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 33872256

約数和(自身を除く): 8495591

約数列:

[1, 5, 17, 43, 53, 85, 131, 215, 265, 655, 731, 901, 2227, 2279, 3655, 4505, 5633, 6943, 11135, 11395, 28165, 34715, 38743, 95761, 118031, 193715, 298549, 478805, 590155, 1492745, 5075333, 25376665]

約数ペア:

[(1, 25376665), (5, 5075333), (17, 1492745), (43, 590155), (53, 478805), (85, 298549), (131, 193715), (215, 118031), (265, 95761), (655, 38743), (731, 34715), (901, 28165), (2227, 11395), (2279, 11135), (3655, 6943), (4505, 5633)]