2561015500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5179}}^1$

素因数の和:5264

約数の個数: 96

約数和(自身を含む): 5973327360

約数和(自身を除く): 3412311860

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 125, 172, 215, 230, 250, 430, 460, 500, 575, 860, 989, 1075, 1150, 1978, 2150, 2300, 2875, 3956, 4300, 4945, 5179, 5375, 5750, 9890, 10358, 10750, 11500, 19780, 20716, 21500, 24725, 25895, 49450, 51790, 98900, 103580, 119117, 123625, 129475, 222697, 238234, 247250, 258950, 445394, 476468, 494500, 517900, 595585, 647375, 890788, 1113485, 1191170, 1294750, 2226970, 2382340, 2589500, 2977925, 4453940, 5122031, 5567425, 5955850, 10244062, 11134850, 11911700, 14889625, 20488124, 22269700, 25610155, 27837125, 29779250, 51220310, 55674250, 59558500, 102440620, 111348500, 128050775, 256101550, 512203100, 640253875, 1280507750, 2561015500]

約数ペア:

[(1, 2561015500), (2, 1280507750), (4, 640253875), (5, 512203100), (10, 256101550), (20, 128050775), (23, 111348500), (25, 102440620), (43, 59558500), (46, 55674250), (50, 51220310), (86, 29779250), (92, 27837125), (100, 25610155), (115, 22269700), (125, 20488124), (172, 14889625), (215, 11911700), (230, 11134850), (250, 10244062), (430, 5955850), (460, 5567425), (500, 5122031), (575, 4453940), (860, 2977925), (989, 2589500), (1075, 2382340), (1150, 2226970), (1978, 1294750), (2150, 1191170), (2300, 1113485), (2875, 890788), (3956, 647375), (4300, 595585), (4945, 517900), (5179, 494500), (5375, 476468), (5750, 445394), (9890, 258950), (10358, 247250), (10750, 238234), (11500, 222697), (19780, 129475), (20716, 123625), (21500, 119117), (24725, 103580), (25895, 98900), (49450, 51790)]