85280850520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{677}}^1$

素因数の和:1133

約数の個数: 128

約数和(自身を含む): 196170024960

約数和(自身を除く): 110889174440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 137, 181, 254, 274, 362, 508, 548, 635, 677, 685, 724, 905, 1016, 1096, 1270, 1354, 1370, 1448, 1810, 2540, 2708, 2740, 3385, 3620, 5080, 5416, 5480, 6770, 7240, 13540, 17399, 22987, 24797, 27080, 34798, 45974, 49594, 69596, 85979, 86995, 91948, 92749, 99188, 114935, 122537, 123985, 139192, 171958, 173990, 183896, 185498, 198376, 229870, 245074, 247970, 343916, 347980, 370996, 429895, 459740, 463745, 490148, 495940, 612685, 687832, 695960, 741992, 859790, 919480, 927490, 980296, 991880, 1225370, 1719580, 1854980, 2450740, 3149219, 3439160, 3709960, 4901480, 6298438, 11779123, 12596876, 15562199, 15746095, 16787569, 23558246, 25193752, 31124398, 31492190, 33575138, 47116492, 58895615, 62248796, 62984380, 67150276, 77810995, 83937845, 94232984, 117791230, 124497592, 125968760, 134300552, 155621990, 167875690, 235582460, 311243980, 335751380, 471164920, 622487960, 671502760, 2132021263, 4264042526, 8528085052, 10660106315, 17056170104, 21320212630, 42640425260, 85280850520]

約数ペア:

[(1, 85280850520), (2, 42640425260), (4, 21320212630), (5, 17056170104), (8, 10660106315), (10, 8528085052), (20, 4264042526), (40, 2132021263), (127, 671502760), (137, 622487960), (181, 471164920), (254, 335751380), (274, 311243980), (362, 235582460), (508, 167875690), (548, 155621990), (635, 134300552), (677, 125968760), (685, 124497592), (724, 117791230), (905, 94232984), (1016, 83937845), (1096, 77810995), (1270, 67150276), (1354, 62984380), (1370, 62248796), (1448, 58895615), (1810, 47116492), (2540, 33575138), (2708, 31492190), (2740, 31124398), (3385, 25193752), (3620, 23558246), (5080, 16787569), (5416, 15746095), (5480, 15562199), (6770, 12596876), (7240, 11779123), (13540, 6298438), (17399, 4901480), (22987, 3709960), (24797, 3439160), (27080, 3149219), (34798, 2450740), (45974, 1854980), (49594, 1719580), (69596, 1225370), (85979, 991880), (86995, 980296), (91948, 927490), (92749, 919480), (99188, 859790), (114935, 741992), (122537, 695960), (123985, 687832), (139192, 612685), (171958, 495940), (173990, 490148), (183896, 463745), (185498, 459740), (198376, 429895), (229870, 370996), (245074, 347980), (247970, 343916)]