12804517220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{28433}}^1$

素因数の和:28565

約数の個数: 96

約数和(自身を含む): 30954389760

約数和(自身を除く): 18149872540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 89, 92, 110, 115, 178, 220, 230, 253, 356, 445, 460, 506, 890, 979, 1012, 1265, 1780, 1958, 2047, 2530, 3916, 4094, 4895, 5060, 8188, 9790, 10235, 19580, 20470, 22517, 28433, 40940, 45034, 56866, 90068, 112585, 113732, 142165, 225170, 284330, 312763, 450340, 568660, 625526, 653959, 1251052, 1307918, 1563815, 2530537, 2615836, 3127630, 3269795, 5061074, 6255260, 6539590, 7193549, 10122148, 12652685, 13079180, 14387098, 25305370, 27835907, 28774196, 35967745, 50610740, 55671814, 58202351, 71935490, 111343628, 116404702, 139179535, 143870980, 232809404, 278359070, 291011755, 556718140, 582023510, 640225861, 1164047020, 1280451722, 2560903444, 3201129305, 6402258610, 12804517220]

約数ペア:

[(1, 12804517220), (2, 6402258610), (4, 3201129305), (5, 2560903444), (10, 1280451722), (11, 1164047020), (20, 640225861), (22, 582023510), (23, 556718140), (44, 291011755), (46, 278359070), (55, 232809404), (89, 143870980), (92, 139179535), (110, 116404702), (115, 111343628), (178, 71935490), (220, 58202351), (230, 55671814), (253, 50610740), (356, 35967745), (445, 28774196), (460, 27835907), (506, 25305370), (890, 14387098), (979, 13079180), (1012, 12652685), (1265, 10122148), (1780, 7193549), (1958, 6539590), (2047, 6255260), (2530, 5061074), (3916, 3269795), (4094, 3127630), (4895, 2615836), (5060, 2530537), (8188, 1563815), (9790, 1307918), (10235, 1251052), (19580, 653959), (20470, 625526), (22517, 568660), (28433, 450340), (40940, 312763), (45034, 284330), (56866, 225170), (90068, 142165), (112585, 113732)]