82550000

素因数分解:

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

素因数の和:173

約数の個数: 120

約数和(自身を含む): 216986112

約数和(自身を除く): 134436112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 127, 130, 200, 208, 250, 254, 260, 325, 400, 500, 508, 520, 625, 635, 650, 1000, 1016, 1040, 1250, 1270, 1300, 1625, 1651, 2000, 2032, 2500, 2540, 2600, 3125, 3175, 3250, 3302, 5000, 5080, 5200, 6250, 6350, 6500, 6604, 8125, 8255, 10000, 10160, 12500, 12700, 13000, 13208, 15875, 16250, 16510, 25000, 25400, 26000, 26416, 31750, 32500, 33020, 40625, 41275, 50000, 50800, 63500, 65000, 66040, 79375, 81250, 82550, 127000, 130000, 132080, 158750, 162500, 165100, 206375, 254000, 317500, 325000, 330200, 396875, 412750, 635000, 650000, 660400, 793750, 825500, 1031875, 1270000, 1587500, 1651000, 2063750, 3175000, 3302000, 4127500, 5159375, 6350000, 8255000, 10318750, 16510000, 20637500, 41275000, 82550000]

約数ペア:

[(1, 82550000), (2, 41275000), (4, 20637500), (5, 16510000), (8, 10318750), (10, 8255000), (13, 6350000), (16, 5159375), (20, 4127500), (25, 3302000), (26, 3175000), (40, 2063750), (50, 1651000), (52, 1587500), (65, 1270000), (80, 1031875), (100, 825500), (104, 793750), (125, 660400), (127, 650000), (130, 635000), (200, 412750), (208, 396875), (250, 330200), (254, 325000), (260, 317500), (325, 254000), (400, 206375), (500, 165100), (508, 162500), (520, 158750), (625, 132080), (635, 130000), (650, 127000), (1000, 82550), (1016, 81250), (1040, 79375), (1250, 66040), (1270, 65000), (1300, 63500), (1625, 50800), (1651, 50000), (2000, 41275), (2032, 40625), (2500, 33020), (2540, 32500), (2600, 31750), (3125, 26416), (3175, 26000), (3250, 25400), (3302, 25000), (5000, 16510), (5080, 16250), (5200, 15875), (6250, 13208), (6350, 13000), (6500, 12700), (6604, 12500), (8125, 10160), (8255, 10000)]