2785237520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{19267}}^1$

素因数の和:19432

約数の個数: 80

約数和(自身を含む): 7024342080

約数和(自身を除く): 4239104560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 520, 556, 695, 1040, 1112, 1390, 1807, 2224, 2780, 3614, 5560, 7228, 9035, 11120, 14456, 18070, 19267, 28912, 36140, 38534, 72280, 77068, 96335, 144560, 154136, 192670, 250471, 308272, 385340, 500942, 770680, 1001884, 1252355, 1541360, 2003768, 2504710, 2678113, 4007536, 5009420, 5356226, 10018840, 10712452, 13390565, 20037680, 21424904, 26781130, 34815469, 42849808, 53562260, 69630938, 107124520, 139261876, 174077345, 214249040, 278523752, 348154690, 557047504, 696309380, 1392618760, 2785237520]

約数ペア:

[(1, 2785237520), (2, 1392618760), (4, 696309380), (5, 557047504), (8, 348154690), (10, 278523752), (13, 214249040), (16, 174077345), (20, 139261876), (26, 107124520), (40, 69630938), (52, 53562260), (65, 42849808), (80, 34815469), (104, 26781130), (130, 21424904), (139, 20037680), (208, 13390565), (260, 10712452), (278, 10018840), (520, 5356226), (556, 5009420), (695, 4007536), (1040, 2678113), (1112, 2504710), (1390, 2003768), (1807, 1541360), (2224, 1252355), (2780, 1001884), (3614, 770680), (5560, 500942), (7228, 385340), (9035, 308272), (11120, 250471), (14456, 192670), (18070, 154136), (19267, 144560), (28912, 96335), (36140, 77068), (38534, 72280)]