8255000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 20993280

約数和(自身を除く): 12738280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 127, 130, 200, 250, 254, 260, 325, 500, 508, 520, 625, 635, 650, 1000, 1016, 1250, 1270, 1300, 1625, 1651, 2500, 2540, 2600, 3175, 3250, 3302, 5000, 5080, 6350, 6500, 6604, 8125, 8255, 12700, 13000, 13208, 15875, 16250, 16510, 25400, 31750, 32500, 33020, 41275, 63500, 65000, 66040, 79375, 82550, 127000, 158750, 165100, 206375, 317500, 330200, 412750, 635000, 825500, 1031875, 1651000, 2063750, 4127500, 8255000]

約数ペア:

[(1, 8255000), (2, 4127500), (4, 2063750), (5, 1651000), (8, 1031875), (10, 825500), (13, 635000), (20, 412750), (25, 330200), (26, 317500), (40, 206375), (50, 165100), (52, 158750), (65, 127000), (100, 82550), (104, 79375), (125, 66040), (127, 65000), (130, 63500), (200, 41275), (250, 33020), (254, 32500), (260, 31750), (325, 25400), (500, 16510), (508, 16250), (520, 15875), (625, 13208), (635, 13000), (650, 12700), (1000, 8255), (1016, 8125), (1250, 6604), (1270, 6500), (1300, 6350), (1625, 5080), (1651, 5000), (2500, 3302), (2540, 3250), (2600, 3175)]