165100000

素因数分解:

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

素因数の和:175

約数の個数: 144

約数和(自身を含む): 440971776

約数和(自身を除く): 275871776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 127, 130, 160, 200, 208, 250, 254, 260, 325, 400, 416, 500, 508, 520, 625, 635, 650, 800, 1000, 1016, 1040, 1250, 1270, 1300, 1625, 1651, 2000, 2032, 2080, 2500, 2540, 2600, 3125, 3175, 3250, 3302, 4000, 4064, 5000, 5080, 5200, 6250, 6350, 6500, 6604, 8125, 8255, 10000, 10160, 10400, 12500, 12700, 13000, 13208, 15875, 16250, 16510, 20000, 20320, 25000, 25400, 26000, 26416, 31750, 32500, 33020, 40625, 41275, 50000, 50800, 52000, 52832, 63500, 65000, 66040, 79375, 81250, 82550, 100000, 101600, 127000, 130000, 132080, 158750, 162500, 165100, 206375, 254000, 260000, 264160, 317500, 325000, 330200, 396875, 412750, 508000, 635000, 650000, 660400, 793750, 825500, 1031875, 1270000, 1300000, 1320800, 1587500, 1651000, 2063750, 2540000, 3175000, 3302000, 4127500, 5159375, 6350000, 6604000, 8255000, 10318750, 12700000, 16510000, 20637500, 33020000, 41275000, 82550000, 165100000]

約数ペア:

[(1, 165100000), (2, 82550000), (4, 41275000), (5, 33020000), (8, 20637500), (10, 16510000), (13, 12700000), (16, 10318750), (20, 8255000), (25, 6604000), (26, 6350000), (32, 5159375), (40, 4127500), (50, 3302000), (52, 3175000), (65, 2540000), (80, 2063750), (100, 1651000), (104, 1587500), (125, 1320800), (127, 1300000), (130, 1270000), (160, 1031875), (200, 825500), (208, 793750), (250, 660400), (254, 650000), (260, 635000), (325, 508000), (400, 412750), (416, 396875), (500, 330200), (508, 325000), (520, 317500), (625, 264160), (635, 260000), (650, 254000), (800, 206375), (1000, 165100), (1016, 162500), (1040, 158750), (1250, 132080), (1270, 130000), (1300, 127000), (1625, 101600), (1651, 100000), (2000, 82550), (2032, 81250), (2080, 79375), (2500, 66040), (2540, 65000), (2600, 63500), (3125, 52832), (3175, 52000), (3250, 50800), (3302, 50000), (4000, 41275), (4064, 40625), (5000, 33020), (5080, 32500), (5200, 31750), (6250, 26416), (6350, 26000), (6500, 25400), (6604, 25000), (8125, 20320), (8255, 20000), (10000, 16510), (10160, 16250), (10400, 15875), (12500, 13208), (12700, 13000)]