920358400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5531}}^1$

素因数の和:5572

約数の個数: 120

約数和(自身を含む): 2456108424

約数和(自身を除く): 1535750024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1040, 1280, 1300, 1600, 1664, 2080, 2560, 2600, 3200, 3328, 4160, 5200, 5531, 6400, 6656, 8320, 10400, 11062, 12800, 16640, 20800, 22124, 27655, 33280, 41600, 44248, 55310, 71903, 83200, 88496, 110620, 138275, 143806, 166400, 176992, 221240, 276550, 287612, 353984, 359515, 442480, 553100, 575224, 707968, 719030, 884960, 1106200, 1150448, 1415936, 1438060, 1769920, 1797575, 2212400, 2300896, 2831872, 2876120, 3539840, 3595150, 4424800, 4601792, 5752240, 7079680, 7190300, 8849600, 9203584, 11504480, 14159360, 14380600, 17699200, 18407168, 23008960, 28761200, 35398400, 36814336, 46017920, 57522400, 70796800, 92035840, 115044800, 184071680, 230089600, 460179200, 920358400]

約数ペア:

[(1, 920358400), (2, 460179200), (4, 230089600), (5, 184071680), (8, 115044800), (10, 92035840), (13, 70796800), (16, 57522400), (20, 46017920), (25, 36814336), (26, 35398400), (32, 28761200), (40, 23008960), (50, 18407168), (52, 17699200), (64, 14380600), (65, 14159360), (80, 11504480), (100, 9203584), (104, 8849600), (128, 7190300), (130, 7079680), (160, 5752240), (200, 4601792), (208, 4424800), (256, 3595150), (260, 3539840), (320, 2876120), (325, 2831872), (400, 2300896), (416, 2212400), (512, 1797575), (520, 1769920), (640, 1438060), (650, 1415936), (800, 1150448), (832, 1106200), (1040, 884960), (1280, 719030), (1300, 707968), (1600, 575224), (1664, 553100), (2080, 442480), (2560, 359515), (2600, 353984), (3200, 287612), (3328, 276550), (4160, 221240), (5200, 176992), (5531, 166400), (6400, 143806), (6656, 138275), (8320, 110620), (10400, 88496), (11062, 83200), (12800, 71903), (16640, 55310), (20800, 44248), (22124, 41600), (27655, 33280)]