25890410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 59899392

約数和(自身を除く): 34008982

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 910, 1237, 1495, 1610, 2093, 2474, 2990, 4186, 6185, 8659, 10465, 12370, 16081, 17318, 20930, 28451, 32162, 43295, 56902, 80405, 86590, 112567, 142255, 160810, 199157, 225134, 284510, 369863, 398314, 562835, 739726, 995785, 1125670, 1849315, 1991570, 2589041, 3698630, 5178082, 12945205, 25890410]

約数ペア:

[(1, 25890410), (2, 12945205), (5, 5178082), (7, 3698630), (10, 2589041), (13, 1991570), (14, 1849315), (23, 1125670), (26, 995785), (35, 739726), (46, 562835), (65, 398314), (70, 369863), (91, 284510), (115, 225134), (130, 199157), (161, 160810), (182, 142255), (230, 112567), (299, 86590), (322, 80405), (455, 56902), (598, 43295), (805, 32162), (910, 28451), (1237, 20930), (1495, 17318), (1610, 16081), (2093, 12370), (2474, 10465), (2990, 8659), (4186, 6185)]