25955960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 61819200

約数和(自身を除く): 35863240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 317, 356, 445, 460, 634, 712, 890, 920, 1268, 1585, 1780, 2047, 2536, 3170, 3560, 4094, 6340, 7291, 8188, 10235, 12680, 14582, 16376, 20470, 28213, 29164, 36455, 40940, 56426, 58328, 72910, 81880, 112852, 141065, 145820, 225704, 282130, 291640, 564260, 648899, 1128520, 1297798, 2595596, 3244495, 5191192, 6488990, 12977980, 25955960]

約数ペア:

[(1, 25955960), (2, 12977980), (4, 6488990), (5, 5191192), (8, 3244495), (10, 2595596), (20, 1297798), (23, 1128520), (40, 648899), (46, 564260), (89, 291640), (92, 282130), (115, 225704), (178, 145820), (184, 141065), (230, 112852), (317, 81880), (356, 72910), (445, 58328), (460, 56426), (634, 40940), (712, 36455), (890, 29164), (920, 28213), (1268, 20470), (1585, 16376), (1780, 14582), (2047, 12680), (2536, 10235), (3170, 8188), (3560, 7291), (4094, 6340)]