81276650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17863}}^1$

素因数の和:17895

約数の個数: 48

約数和(自身を含む): 186071424

約数和(自身を除く): 104794774

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 17863, 35726, 89315, 125041, 178630, 232219, 250082, 446575, 464438, 625205, 893150, 1161095, 1250410, 1625533, 2322190, 3126025, 3251066, 5805475, 6252050, 8127665, 11610950, 16255330, 40638325, 81276650]

約数ペア:

[(1, 81276650), (2, 40638325), (5, 16255330), (7, 11610950), (10, 8127665), (13, 6252050), (14, 5805475), (25, 3251066), (26, 3126025), (35, 2322190), (50, 1625533), (65, 1250410), (70, 1161095), (91, 893150), (130, 625205), (175, 464438), (182, 446575), (325, 250082), (350, 232219), (455, 178630), (650, 125041), (910, 89315), (2275, 35726), (4550, 17863)]