260197600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 692955648

約数和(自身を除く): 432758048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 127, 130, 160, 197, 200, 208, 254, 260, 325, 394, 400, 416, 508, 520, 635, 650, 788, 800, 985, 1016, 1040, 1270, 1300, 1576, 1651, 1970, 2032, 2080, 2540, 2561, 2600, 3152, 3175, 3302, 3940, 4064, 4925, 5080, 5122, 5200, 6304, 6350, 6604, 7880, 8255, 9850, 10160, 10244, 10400, 12700, 12805, 13208, 15760, 16510, 19700, 20320, 20488, 25019, 25400, 25610, 26416, 31520, 33020, 39400, 40976, 41275, 50038, 50800, 51220, 52832, 64025, 66040, 78800, 81952, 82550, 100076, 101600, 102440, 125095, 128050, 132080, 157600, 165100, 200152, 204880, 250190, 256100, 264160, 325247, 330200, 400304, 409760, 500380, 512200, 625475, 650494, 660400, 800608, 1000760, 1024400, 1250950, 1300988, 1320800, 1626235, 2001520, 2048800, 2501900, 2601976, 3252470, 4003040, 5003800, 5203952, 6504940, 8131175, 10007600, 10407904, 13009880, 16262350, 20015200, 26019760, 32524700, 52039520, 65049400, 130098800, 260197600]

約数ペア:

[(1, 260197600), (2, 130098800), (4, 65049400), (5, 52039520), (8, 32524700), (10, 26019760), (13, 20015200), (16, 16262350), (20, 13009880), (25, 10407904), (26, 10007600), (32, 8131175), (40, 6504940), (50, 5203952), (52, 5003800), (65, 4003040), (80, 3252470), (100, 2601976), (104, 2501900), (127, 2048800), (130, 2001520), (160, 1626235), (197, 1320800), (200, 1300988), (208, 1250950), (254, 1024400), (260, 1000760), (325, 800608), (394, 660400), (400, 650494), (416, 625475), (508, 512200), (520, 500380), (635, 409760), (650, 400304), (788, 330200), (800, 325247), (985, 264160), (1016, 256100), (1040, 250190), (1270, 204880), (1300, 200152), (1576, 165100), (1651, 157600), (1970, 132080), (2032, 128050), (2080, 125095), (2540, 102440), (2561, 101600), (2600, 100076), (3152, 82550), (3175, 81952), (3302, 78800), (3940, 66040), (4064, 64025), (4925, 52832), (5080, 51220), (5122, 50800), (5200, 50038), (6304, 41275), (6350, 40976), (6604, 39400), (7880, 33020), (8255, 31520), (9850, 26416), (10160, 25610), (10244, 25400), (10400, 25019), (12700, 20488), (12805, 20320), (13208, 19700), (15760, 16510)]