52887640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 138801600

約数和(自身を除く): 85913960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 53, 65, 76, 95, 101, 104, 106, 130, 152, 190, 202, 212, 247, 260, 265, 380, 404, 424, 494, 505, 520, 530, 689, 760, 808, 988, 1007, 1010, 1060, 1235, 1313, 1378, 1919, 1976, 2014, 2020, 2120, 2470, 2626, 2756, 3445, 3838, 4028, 4040, 4940, 5035, 5252, 5353, 5512, 6565, 6890, 7676, 8056, 9595, 9880, 10070, 10504, 10706, 13091, 13130, 13780, 15352, 19190, 20140, 21412, 24947, 26182, 26260, 26765, 27560, 38380, 40280, 42824, 49894, 52364, 52520, 53530, 65455, 69589, 76760, 99788, 101707, 104728, 107060, 124735, 130910, 139178, 199576, 203414, 214120, 249470, 261820, 278356, 347945, 406828, 498940, 508535, 523640, 556712, 695890, 813656, 997880, 1017070, 1322191, 1391780, 2034140, 2644382, 2783560, 4068280, 5288764, 6610955, 10577528, 13221910, 26443820, 52887640]

約数ペア:

[(1, 52887640), (2, 26443820), (4, 13221910), (5, 10577528), (8, 6610955), (10, 5288764), (13, 4068280), (19, 2783560), (20, 2644382), (26, 2034140), (38, 1391780), (40, 1322191), (52, 1017070), (53, 997880), (65, 813656), (76, 695890), (95, 556712), (101, 523640), (104, 508535), (106, 498940), (130, 406828), (152, 347945), (190, 278356), (202, 261820), (212, 249470), (247, 214120), (260, 203414), (265, 199576), (380, 139178), (404, 130910), (424, 124735), (494, 107060), (505, 104728), (520, 101707), (530, 99788), (689, 76760), (760, 69589), (808, 65455), (988, 53530), (1007, 52520), (1010, 52364), (1060, 49894), (1235, 42824), (1313, 40280), (1378, 38380), (1919, 27560), (1976, 26765), (2014, 26260), (2020, 26182), (2120, 24947), (2470, 21412), (2626, 20140), (2756, 19190), (3445, 15352), (3838, 13780), (4028, 13130), (4040, 13091), (4940, 10706), (5035, 10504), (5252, 10070), (5353, 9880), (5512, 9595), (6565, 8056), (6890, 7676)]