1282205600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{123289}}^1$

素因数の和:123322

約数の個数: 72

約数和(自身を含む): 3370995180

約数和(自身を除く): 2088789580

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 123289, 246578, 493156, 616445, 986312, 1232890, 1602757, 1972624, 2465780, 3082225, 3205514, 3945248, 4931560, 6164450, 6411028, 8013785, 9863120, 12328900, 12822056, 16027570, 19726240, 24657800, 25644112, 32055140, 40068925, 49315600, 51288224, 64110280, 80137850, 98631200, 128220560, 160275700, 256441120, 320551400, 641102800, 1282205600]

約数ペア:

[(1, 1282205600), (2, 641102800), (4, 320551400), (5, 256441120), (8, 160275700), (10, 128220560), (13, 98631200), (16, 80137850), (20, 64110280), (25, 51288224), (26, 49315600), (32, 40068925), (40, 32055140), (50, 25644112), (52, 24657800), (65, 19726240), (80, 16027570), (100, 12822056), (104, 12328900), (130, 9863120), (160, 8013785), (200, 6411028), (208, 6164450), (260, 4931560), (325, 3945248), (400, 3205514), (416, 3082225), (520, 2465780), (650, 1972624), (800, 1602757), (1040, 1232890), (1300, 986312), (2080, 616445), (2600, 493156), (5200, 246578), (10400, 123289)]